Section 1: Mechanics |
|
Introduction to Physics (Basic Math) |
1:17:37 |
| |
Intro |
0:00 | |
| |
What is Physics? |
1:35 | |
| |
| Physicists and Philosophers |
1:57 | |
| |
| Differences Between |
2:48 | |
| |
| Experimental Observations |
3:20 | |
| |
| Laws (Mathematical) |
3:48 | |
| |
| Modification of Laws/Experiments |
4:24 | |
| |
| Example: Newton's Laws of Mechanics |
5:38 | |
| |
| Example: Einstein's Relativity |
6:18 | |
| |
Units |
8:50 | |
| |
| Various Units |
9:37 | |
| |
| SI Units |
10:02 | |
| |
| Length (meter) |
10:18 | |
| |
| Mass (kilogram) |
10:35 | |
| |
| Time (second) |
10:51 | |
| |
| MKS Units (meter kilogram second) |
11:04 | |
| |
| Definition of Second |
11:55 | |
| |
| Definition of Meter |
14:06 | |
| |
| Definition of Kilogram |
15:21 | |
| |
| Multiplying/Dividing Units |
19:10 | |
| |
Trigonometry Overview |
21:24 | |
| |
| Sine and Cosine |
21:31 | |
| |
| Pythagorean Theorem |
23:44 | |
| |
| Tangent |
24:15 | |
| |
| Sine and Cosine of Angles |
24:35 | |
| |
| Similar Triangles |
25:54 | |
| |
| Right Triangle (Opposite, Adjacent, Hypotenuse) |
28:16 | |
| |
| Other Angles (30-60-90) |
29:16 | |
| |
Law of Cosines |
31:38 | |
| |
| Proof of Law of Cosines |
33:03 | |
| |
Law of Sines |
37:03 | |
| |
| Proof of Law of Sines |
38:03 | |
| |
Scalars and Vectors |
41:00 | |
| |
| Scalar: Magnitude |
41:22 | |
| |
| Vector: Magnitude and Direction |
41:52 | |
| |
| Examples |
42:31 | |
| |
Extra Example 1: Unit Conversion |
2:47 | |
| |
Extra Example 2: Law of Cosines |
12:52 | |
| |
Extra Example 3: Dimensional Analysis |
11:43 | |
|
Vector Addition |
1:10:31 |
| |
Intro |
0:00 | |
| |
Graphical Method |
0:10 | |
| |
| Magnitude and Direction of Two Vectors |
0:40 | |
| |
Analytical Method or Algebraic Method |
8:45 | |
| |
| Example: Addition of Vectors |
9:12 | |
| |
| Parallelogram Rule |
11:42 | |
| |
| Law of Cosines |
14:22 | |
| |
| Law of Sines |
18:32 | |
| |
Components of a Vector |
21:35 | |
| |
| Example: Vector Components |
23:30 | |
| |
| Introducing Third Dimension |
31:14 | |
| |
| Right Handed System |
33:06 | |
| |
Specifying a Vector |
34:44 | |
| |
| Example: Calculate the Components of Vector |
36:33 | |
| |
Vector Addition by Means of Components |
41:23 | |
| |
Equality of Vectors |
47:11 | |
| |
Dot Product |
48:39 | |
| |
Extra Example 1: Vector Addition |
9:57 | |
| |
Extra Example 2: Angle Between Vectors |
4:10 | |
| |
Extra Example 3: Vector Addition |
4:51 | |
|
Motion in One Dimension |
1:19:35 |
| |
Intro |
0:00 | |
| |
| Position, Distance, and Displacement |
0:12 | |
| |
| Position of the Object |
0:30 | |
| |
| Distance Traveled by The Object |
5:34 | |
| |
| Displacement of The Object |
9:05 | |
| |
Average Speed Over a Certain Time Interval |
14:46 | |
| |
| Example Of an Object |
15:15 | |
| |
| Example: Calculating Average Speed |
20:19 | |
| |
Average Velocity Over a Time Interval |
22:22 | |
| |
| Example Calculating Average Velocity of an Object |
22:45 | |
| |
Instantaneous Velocity |
30:45 | |
| |
Average Acceleration Over a Time Interval |
40:50 | |
| |
| Example: Average Acceleration of an Object |
42:01 | |
| |
Instantaneous Acceleration |
47:17 | |
| |
| Example: Acceleration of Time 'T' |
47:33 | |
| |
| Example with Realistic Equation |
49:52 | |
| |
Motion With Constant Acceleration: Kinematics Equation |
53:39 | |
| |
| Example: Motion of an Object with Constant Acceleration |
53:55 | |
| |
Extra Example 1: Uniformly Accelerated Motion |
6:14 | |
| |
Extra Example 2: Catching up with a Car |
8:33 | |
| |
Extra Example 3: Velocity and Acceleration |
6:41 | |
|
Kinematics Equation Of Calculus |
59:00 |
| |
Intro |
0:00 | |
| |
The Derivative |
0:12 | |
| |
| Idea of a Derivative |
0:27 | |
| |
| Derivative of a function X= df/dx |
6:55 | |
| |
| Example: F(x)=Constant 'c' |
7:22 | |
| |
| Example: F(x)= X |
9:37 | |
| |
| Example: F(x)= AX |
11:29 | |
| |
| Example: F(x)= X squared |
12:30 | |
| |
| Example: F(x)= X cubed |
15:23 | |
| |
| Example: F(x) =SinX |
16:24 | |
| |
| Example: F(x) =CosX |
16:30 | |
| |
Product of Functions |
16:56 | |
| |
| Example: F(x) = X (squared) Sin X |
17:15 | |
| |
Quotient Rule |
23:03 | |
| |
| Example: F(x)=uV-vU/V2 |
23:48 | |
| |
Kinematics of Equation |
25:10 | |
| |
| First Kinematic Equation : V=Vo+aT |
31:13 | |
| |
Extra Example 1: Particle on X-Axis |
8:49 | |
| |
Extra Example 2: Graphical Analysis |
10:16 | |
|
Freely Falling Objects |
1:28:59 |
| |
Intro |
0:00 | |
| |
Acceleration Due to Gravity |
0:11 | |
| |
| Dropping an Object at Certain Height |
0:25 | |
| |
Signs : V , A , D |
7:07 | |
| |
| Example: Shooting an Object Upwards |
7:34 | |
| |
Example: Ground To Ground |
12:13 | |
| |
| Velocity at Maximum Height |
14:30 | |
| |
| Time From Ground to Ground |
23:10 | |
| |
| Shortcut: Calculate Time Spent in Air |
24:07 | |
| |
Example: Object Short Downwards |
30:19 | |
| |
| Object Short Downwards From a Height H |
30:30 | |
| |
| Use of Quadratic Formula |
36:23 | |
| |
Example: Bouncing Ball |
41:00 | |
| |
| Ball Released From Certain Height |
41:22 | |
| |
| Time Until Stationary |
43:10 | |
| |
| Coefficient of Restitution |
46:40 | |
| |
Example: Bouncing Ball. Continued |
53:02 | |
| |
Extra Example 1: Object Shot Off Cliff |
13:30 | |
| |
Extra Example 2: Object Released Off Roof |
7:13 | |
| |
Extra Example 3: Rubber Ball (Coefficient of Restitution) |
13:50 | |
|
Motion in Two Dimensions, Part 1 |
1:08:38 |
| |
Intro |
0:00 | |
| |
| Position, Displacement, Velocity, Acceleration |
0:10 | |
| |
| Position of an Object in X-Y Plane |
0:19 | |
| |
| Displacement of an Object |
2:48 | |
| |
| Average Velocity |
4:30 | |
| |
| Instantaneous Velocity at Time T |
5:22 | |
| |
| Acceleration of Object |
8:49 | |
| |
Projectile Motion |
9:57 | |
| |
| Object Shooting at Angle |
10:15 | |
| |
| Object Falling Vertically |
14:48 | |
| |
| Velocity of an Object |
18:17 | |
| |
| Displacement of an Object |
19:20 | |
| |
| Initial Velocity Remains Constant |
21:24 | |
| |
| Deriving Equation of a Parabola |
25:23 | |
| |
Example: Shooting a Soccer Ball |
25:25 | |
| |
| Time Ball Spent in Air (Ignoring Air Resistance) |
27:48 | |
| |
| Range of Projectile |
34:49 | |
| |
| Maximum Height Reached by the Projectile |
36:25 | |
| |
Example: Shooting an Object Horizontally |
40:38 | |
| |
| Time Taken for Shooting |
42:34 | |
| |
| Range |
46:01 | |
| |
| Velocity Hitting Ground |
46:30 | |
| |
Extra Example 1: Projectile Shot with an Angle |
12:37 | |
| |
Extra Example 2: What Angle |
6:55 | |
|
Motion in Two Dimensions, Part 2: Circular Dimension |
1:01:54 |
| |
Intro |
0:00 | |
| |
Uniform Circular Motion |
0:15 | |
| |
| Object Moving in a Circle at Constant Speed |
0:26 | |
| |
| Calculation Acceleration |
3:30 | |
| |
| Change in Velocity |
3:45 | |
| |
| Magnitude of Acceleration |
14:21 | |
| |
| Centripetal Acceleration |
18:15 | |
| |
Example: Earth Rotating Around The Sun |
18:42 | |
| |
| Center of the Earth |
20:45 | |
| |
| Distance Traveled in Making One Revolution |
21:34 | |
| |
| Acceleration of the Revolution |
23:37 | |
| |
Tangential Acceleration and Radial Acceleration |
25:35 | |
| |
| If Magnitude and Direction Change During Travel |
26:22 | |
| |
| Tangential Acceleration |
27:45 | |
| |
Example: Car on a Curved Road |
29:50 | |
| |
| Finding Total Acceleration at Time T if Car is at Rest |
31:13 | |
| |
Extra Example 1: Centripetal Acceleration on Earth |
8:11 | |
| |
Extra Example 2: Pendulum Acceleration |
7:12 | |
| |
Extra Example 3: Radius of Curvature |
9:08 | |
|
Newton's Laws of Motion |
1:29:51 |
| |
Intro |
0:00 | |
| |
Force |
0:21 | |
| |
| Contact Force (Push or Pull) |
1:02 | |
| |
| Field Forces |
1:49 | |
| |
| Gravity |
2:06 | |
| |
| Electromagnetic Force |
2:43 | |
| |
| Strong Force |
4:12 | |
| |
| Weak Force |
5:17 | |
| |
| Contact Force as Electromagnetic Force |
6:08 | |
| |
| Focus on Contact Force and Gravitational Force |
6:50 | |
| |
Newton's First Law |
7:37 | |
| |
| Statement of First Law of Motion |
7:50 | |
| |
| Uniform Motion (Velocity is Constant) |
9:38 | |
| |
| Inertia |
10:39 | |
| |
Newton's Second Law |
11:19 | |
| |
| Force as a Vector |
11:35 | |
| |
| Statement of Second Law of Motion |
12:02 | |
| |
| Force (Formula) |
12:22 | |
| |
| Example: 1 Force |
13:04 | |
| |
| Newton (Unit of Force) |
13:31 | |
| |
| Example: 2 Forces |
14:09 | |
| |
Newton's Third Law |
19:38 | |
| |
| Action and Reaction Law |
19:46 | |
| |
| Statement of Third Law of Motion |
19:58 | |
| |
| Example: 2 Objects |
20:15 | |
| |
| Example: Objects in Contact |
21:54 | |
| |
| Example: Person on Earth |
22:54 | |
| |
Gravitational Force and the Weight of an Object |
24:01 | |
| |
| Force of Attraction Formula |
24:42 | |
| |
| Point Mass and Spherical Objects |
26:56 | |
| |
| Example: Gravity on Earth |
28:37 | |
| |
| Example: 1 kg on Earth |
35:31 | |
| |
Friction |
37:09 | |
| |
| Normal Force |
37:14 | |
| |
| Example: Small Force |
40:01 | |
| |
| Force of Static Friction |
43:09 | |
| |
| Maximum Force of Static Friction |
46:03 | |
| |
| Values of Coefficient of Static Friction |
47:37 | |
| |
| Coefficient of Kinetic Friction |
47:53 | |
| |
| Force of Kinetic Friction |
48:27 | |
| |
| Example: Horizontal Force |
49:36 | |
| |
| Example: Angled Force |
52:36 | |
| |
Extra Example 1: Wire Tension |
10:37 | |
| |
Extra Example 2: Car Friction |
11:43 | |
| |
Extra Example 3: Big Block and Small Block |
9:17 | |
|
Applications of Newton's Laws, Part 1: Inclines |
1:24:35 |
| |
Intro |
0:00 | |
| |
Acceleration on a Frictionless Incline |
0:35 | |
| |
| Force Action on the Object(mg) |
1:31 | |
| |
| Net Force Acting on the Object |
2:20 | |
| |
| Acceleration Perpendicular to Incline |
8:45 | |
| |
| Incline is Horizontal Surface |
11:30 | |
| |
| Example: Object on an Inclined Surface |
13:40 | |
| |
Rough Inclines and Static Friction |
20:23 | |
| |
| Box Sitting on a Rough Incline |
20:49 | |
| |
| Maximum Values of Static Friction |
25:20 | |
| |
| Coefficient of Static Friction |
27:53 | |
| |
Acceleration on a Rough Incline |
29:00 | |
| |
| Kinetic Friction on Rough Incline |
29:15 | |
| |
| Object Moving up the Incline |
33:20 | |
| |
| Net force on the Object |
36:36 | |
| |
Example: Time to Reach the Bottom of an Incline |
41:50 | |
| |
| Displacement is 5m Down the Incline |
45:26 | |
| |
| Velocity of the Object Down the Incline |
47:49 | |
| |
Extra Example 1: Bottom of Incline |
12:23 | |
| |
Extra Example 2: Incline with Initial Velocity |
15:31 | |
| |
Extra Example 3: Moving Down an Incline |
8:09 | |
|
Applications of Newton's Laws, Part 2: Strings and Pulleys |
1:10:03 |
| |
Intro |
0:00 | |
| |
Atwood's Machine |
0:19 | |
| |
| Object Attached to a String |
0:39 | |
| |
| Tension on a String |
2:15 | |
| |
| Two Objects Attached to a String |
2:23 | |
| |
| Pulley Fixed to the Ceiling, With Mass M1 , M2 |
4:53 | |
| |
| Applying Newton's 2nd Law to Calculate Acceleration on M1, M2 |
9:21 | |
| |
One Object on a Horizontal Surface: Frictionless Case |
17:36 | |
| |
| Connecting Two Unknowns, Tension and Acceleration |
20:27 | |
| |
One Object on a Horizontal Surface: Friction Case |
23:57 | |
| |
| Two Objects Attached to a String with a Pulley |
24:14 | |
| |
| Applying Newton's 2nd Law |
26:04 | |
| |
| Tension of an Object Pulls to the Right |
27:31 | |
| |
One of the Object is Incline : Frictionless Case |
32:59 | |
| |
| Sum of Two Forces on Mass M2 |
34:39 | |
| |
| If M1g is Larger Than M2g |
36:29 | |
| |
One of the Object is Incline : Friction Case |
40:29 | |
| |
| Coefficient of Kinetic Friction |
41:18 | |
| |
| Net Force Acting on M2 |
45:12 | |
| |
Extra Example 1: Two Masses on Two Strings |
5:28 | |
| |
Extra Example 2: Three Objects on Rough Surface |
7:11 | |
| |
Extra Example 3: Acceleration of a Block |
8:52 | |
|
Accelerating Frames |
1:13:28 |
| |
Intro |
0:00 | |
| |
What Does a Scale Measure |
0:11 | |
| |
| Example: Elevator on a Scale |
0:22 | |
| |
| Normal Force |
4:57 | |
| |
Apparent Weight in an Elevator |
7:42 | |
| |
| Example: Elevator Starts Moving Upwards |
9:05 | |
| |
| Net Force (Newton's Second Law) |
11:34 | |
| |
| Apparent Weight |
14:36 | |
| |
Pendulum in an Accelerating Train |
15:58 | |
| |
| Example: Object Hanging on the Ceiling of a Train |
16:15 | |
| |
| Angle In terms of Increased Acceleration |
22:04 | |
| |
Mass and Spring in an Accelerating Truck |
23:40 | |
| |
| Example: Spring on a Stationary Truck |
23:55 | |
| |
| Surface of Truck is Frictionless |
27:38 | |
| |
| Spring is Stretched by distance 'X' |
28:40 | |
| |
Cup of Coffee |
29:55 | |
| |
| Example: Moving Train and Stationary Objects inside Train |
30:05 | |
| |
| Train Moving With Acceleration 'A' |
32:45 | |
| |
| Force of Static Friction Acting on Cup |
36:30 | |
| |
Extra Example 1: Train Slows with Pendulum |
11:54 | |
| |
Extra Example 2: Person in Elevator Releases Object |
13:06 | |
| |
Extra Example 3: Hanging Object in Elevator |
10:26 | |
|
Circular Motion, Part 1 |
1:01:15 |
| |
Intro |
0:00 | |
| |
Object Attached to a String Moving in a Horizontal Circle |
0:09 | |
| |
| Net Force on Object (Newton's Second Law) |
1:51 | |
| |
| Force on an Object |
3:03 | |
| |
| Tension of a String |
4:40 | |
| |
Conical Pendulum |
5:40 | |
| |
| Example: Object Attached to a String in a Horizontal Circle |
5:50 | |
| |
| Weight of an Object Vertically Down |
8:05 | |
| |
| Velocity And Acceleration in Vertical Direction |
11:20 | |
| |
| Net Force on an Object |
13:02 | |
| |
Car on a Horizontal Road |
16:09 | |
| |
| Net Force on Car (Net Vertical Force) |
18:03 | |
| |
| Frictionless Road |
18:43 | |
| |
| Road with Friction |
22:41 | |
| |
| Maximum Speed of Car Without Skidding |
26:05 | |
| |
Banked Road |
28:13 | |
| |
| Road Inclined at an Angle 'ø' |
28:32 | |
| |
| Force on Car |
29:50 | |
| |
| Frictionless Road |
30:45 | |
| |
| Road with Friction |
36:22 | |
| |
Extra Example 1: Object Attached to Rod with Two Strings |
11:27 | |
| |
Extra Example 2: Car on Banked Road |
9:29 | |
| |
Extra Example 3: Person Held Up in Spinning Cylinder |
3:05 | |
|
Circular Motion, Part 2 |
50:29 |
| |
Intro |
0:00 | |
| |
Normal Force by a Pilot Seat |
0:14 | |
| |
| Example : Pilot Rotating in a Circle 'r' and Speed 's' |
0:33 | |
| |
| Pilot at Vertical Position in a Circle of Radius 'R' |
4:18 | |
| |
| Net Force on Pilot Towards Center (At Bottom) |
5:53 | |
| |
| Net Force on Pilot Towards Center (At Top) |
7:55 | |
| |
Object Attached to a String in Vertical Motion |
10:46 | |
| |
| Example: Object in a Circle Attached to String |
10:59 | |
| |
| Case 1: Object with speed 'v' and Object is at Bottom |
11:30 | |
| |
| Case 2: Object at Top in Vertical Motion |
15:24 | |
| |
| Object at Angle 'ø' (General Position) |
17:48 | |
| |
| 2 Radial Forces (Inward & Outward) |
20:32 | |
| |
| Tension of String |
23:44 | |
| |
Extra Example 1: Pail of Water in Vertical Circle |
5:16 | |
| |
Extra Example 2: Roller Coaster Vertical Circle |
3:57 | |
| |
Extra Example 3: Bead in Frictionless Loop |
16:56 | |
|
Work |
1:27:50 |
| |
Work Done by a Constant Force |
0:09 | |
| |
| Example: Force 'f' on Object Moved a Displacement 'd' in Same Direction |
0:24 | |
| |
| Force Applied on Object at Angle 'ø' and Displacement 'd' |
2:00 | |
| |
| Work Done |
3:59 | |
| |
| Force Perpendicular to Displacement (No Work) |
5:40 | |
| |
| Example: Lifting an Object from the Surface of Earth to Height 'h' |
5:58 | |
| |
| Total Work Done |
7:39 | |
| |
| Example: Object on an Inclined Surface |
8:08 | |
| |
| Example: Object on Truck |
10:18 | |
| |
| Work Done on a Box with No Friction |
11:05 | |
| |
| Work Done with Static Friction |
14:38 | |
| |
Stretching or Compressing a Spring |
14:50 | |
| |
| Example: Stretching a Spring |
15:20 | |
| |
| Work Done in Stretching a Spring |
15:51 | |
| |
| Spring Stretched Amount 'A' |
17:00 | |
| |
| Spring Stretched Amount 'B' With Constant Velocity |
17:59 | |
| |
| Force at Starting |
19:29 | |
| |
| Force at End |
19:51 | |
| |
| Total Displacement |
20:43 | |
| |
| Average Force |
21:20 | |
| |
| Work Done |
21:51 | |
| |
| Compressing a Spring |
23:32 | |
| |
Work Kinetic Energy Theorem |
24:02 | |
| |
| Object Mass 'M' on Frictionless Surface |
24:32 | |
| |
| Object Moved a Displacement 'd' With Acceleration 'a' |
26:20 | |
| |
| Work Done on an Object by Net Force (Kinetic Energy Theorem) |
28:41 | |
| |
| Example: Object at Height |
30:39 | |
| |
| Force on Object |
32:25 | |
| |
| Work Energy Theorem |
34:14 | |
| |
Block Pulled on a Rough Horizontal Surface |
35:14 | |
| |
| Object on a Surface with Friction |
35:26 | |
| |
| Coefficient of Kinetic Friction |
35:50 | |
| |
| Work Done by Net Force = Change in K.E |
38:09 | |
| |
| Applying a Force on an Object at an Angle 'ø' and Displacement 'd' |
39:40 | |
| |
| Net Force |
43:30 | |
| |
| Work Done |
44:03 | |
| |
Potential Energy of a System |
44:39 | |
| |
| Potential Energy of Two or More Objects |
45:28 | |
| |
| Example: Object of Mass 'm' at Height 'h' |
46:15 | |
| |
| Earth and Object in Position |
46:56 | |
| |
| Potential Energy, u=mgh |
49:05 | |
| |
| Absolute Value of Potential Energy |
49:55 | |
| |
| Example: Two Objects at Different Heights |
50:47 | |
| |
Elastic Potential Energy in a Spring Block System |
52:03 | |
| |
| Example: Spring of Mass 'm' Stretching |
52:30 | |
| |
| Work Done Stretching a Spring |
54:29 | |
| |
Power |
55:24 | |
| |
| Work Done by an Object |
56:13 | |
| |
| Rate of Doing Work |
56:41 | |
| |
Extra Example 1: Work Done, Block on Horizontal Surface |
12:41 | |
| |
Extra Example 2: Object and Compressed Spring |
12:33 | |
| |
Extra Example 3: Person Running |
4:47 | |
|
Conservation of Energy, Part 1 |
1:24:49 |
| |
Intro |
0:00 | |
| |
Total Energy of an Isolated System |
0:13 | |
| |
| Example: Object in an Empty Space |
2:22 | |
| |
| Force Applied on an Object |
3:25 | |
| |
| Hot Object 't' in Vacuum |
4:09 | |
| |
| Hot Object Placed in Cold Water |
5:32 | |
| |
| Isolated System (Conservation of Energy) |
7:15 | |
| |
| Example: Earth and Object (Isolated System) |
8:29 | |
| |
Energy May be Transformed from One Form to Another |
13:05 | |
| |
| Forms of Energy |
13:30 | |
| |
| Example: Earth Object System |
14:17 | |
| |
| Example: Object Falls from Height 'h' (Transform of Energy) |
16:12 | |
| |
| Example: Object Moving on a Rough Surface |
17:54 | |
| |
Spring-Block System: Horizontal System |
20:52 | |
| |
| Example: System of Block & Spring |
21:03 | |
| |
| Conservation of Energy |
26:49 | |
| |
| Velocity of Object at Any Point |
27:39 | |
| |
Spring-Loaded Gun Shot Upwards |
29:02 | |
| |
| Example: Spring on a Surface Being Compressed |
29:19 | |
| |
Speed of Pendulum |
37:43 | |
| |
| Example: Object Suspended from Ceiling with String |
38:07 | |
| |
| Swinging the Pendulum at Angle 'ø' From Rest |
39:00 | |
| |
Cart on a Circular Track: Losing Contact |
45:47 | |
| |
| Example: Cart on Circular Track (Frictionless) |
46:13 | |
| |
| When Does the Cart Lose Contact |
49:16 | |
| |
| Setting Fn=0 When an Object Loses Contact |
52:51 | |
| |
| Velocity of an Object at Angle 'ø' (Conservation of Energy) |
53:47 | |
| |
Extra Example 1: Mass on Track to Loop |
10:29 | |
| |
Extra Example 2: Pendulum Released from Rest |
7:33 | |
| |
Extra Example 3: Object Dropped onto Spring |
8:15 | |
|
Conservation of Energy, Part 2 |
1:02:52 |
| |
Intro |
0:00 | |
| |
Block Spring Collision |
0:16 | |
| |
| Spring Attached to Mass |
0:31 | |
| |
| Frictionless Surface |
0:51 | |
| |
| Object Collides with a Spring and Stops |
1:51 | |
| |
| Amount of Compression in a Spring |
3:39 | |
| |
| Surface with Friction |
4:17 | |
| |
| Object Collides with Spring (Object Stops at Collision) |
4:51 | |
| |
| Force of Friction |
9:18 | |
| |
Object Sliding Down an Incline |
10:58 | |
| |
| Example: Object on Inclined Surface |
11:15 | |
| |
| Frictionless Case to Find Velocity of an Object |
12:08 | |
| |
| Object at Rough Inclined Surface(Friction Case) |
14:52 | |
| |
| Heat Produced |
16:30 | |
| |
| Object Arrives at Lesser Speed with Friction |
21:11 | |
| |
Connected Object in Motion |
22:35 | |
| |
| Two Objects Connected Over a Pulley ,Spring Connected to One Object |
22:47 | |
| |
| Coefficient of Friction (Initial & Final Configuration at Rest) |
25:27 | |
| |
| Object of m1 at Height 'h' |
27:40 | |
| |
| If No Friction |
29:51 | |
| |
| Amount of Heat Produced In Presence of Friction |
30:31 | |
| |
Extra Example 1: Objects and Springs |
14:17 | |
| |
Extra Example 2: Mass against Horizontal Spring |
12:09 | |
|
Collisions, Part 1 |
1:31:19 |
| |
Intro |
0:00 | |
| |
Linear Momentum |
0:10 | |
| |
| Example: Object of Mass 'm' with Velocity 'v' |
0:25 | |
| |
| Example: Object Bounced on a Wall |
1:08 | |
| |
| Momentum of Object Hitting a Wall |
2:20 | |
| |
| Change in Momentum |
4:10 | |
| |
Force is the Rate of Change of Momentum |
4:30 | |
| |
| Force=Mass*Acceleration (Newton's Second Law) |
4:45 | |
| |
Impulse |
10:24 | |
| |
| Example: Baseball Hitting a Bat |
10:40 | |
| |
| Force Applied for a Certain Time |
11:50 | |
| |
| Magnitude Plot of Force vs Time |
13:35 | |
| |
| Time of Contact of Baseball = 2 milliseconds (Average Force by Bat) |
17:42 | |
| |
Collision Between Two Particles |
22:40 | |
| |
| Two Objects Collide at Time T |
23:00 | |
| |
| Both Object Exerts Force on Each Other (Newton's Third Law) |
24:28 | |
| |
| Collision Time |
25:42 | |
| |
| Total Momentum Before Collision = Total momentums After Collision |
32:52 | |
| |
Collision |
33:58 | |
| |
| Types of Collisions |
34:13 | |
| |
| Elastic Collision ( Mechanical Energy is Conserved) |
34:38 | |
| |
| Collision of Particles in Atoms |
35:50 | |
| |
| Collision Between Billiard Balls |
36:54 | |
| |
| Inelastic Collision (Rubber Ball) |
39:40 | |
| |
| Two Objects Collide and Stick (Completely Inelastic) |
40:35 | |
| |
Completely Inelastic Collision |
41:07 | |
| |
| Example: Two Objects Colliding |
41:23 | |
| |
| Velocity After Collision |
42:14 | |
| |
| Heat Produced=Initial K.E-Final K.E |
47:13 | |
| |
Ballistic Pendulum |
47:37 | |
| |
| Example: Determine the Speed of a Bullet |
47:50 | |
| |
| Mass Swings with Bulled Embedded |
49:20 | |
| |
| Kinetic Energy of Block with the Bullet |
50:28 | |
| |
Extra Example 1: Ball Strikes a Wall |
10:41 | |
| |
Extra Example 2: Clay Hits Block |
8:35 | |
| |
Extra Example 3: Bullet Hits Block |
11:37 | |
| |
Extra Example 4: Child Runs onto Sled |
7:24 | |
|
Collisions, Part 2 |
1:18:48 |
| |
Intro |
0:00 | |
| |
Elastic Collision: One Object Stationary |
0:28 | |
| |
| Example: Stationary Object and Moving Object |
0:42 | |
| |
| Conservation of Momentum |
2:48 | |
| |
| Mechanical Energy Conservation |
3:43 | |
| |
Elastic Collision: Both Objects Moving |
17:34 | |
| |
| Example: Both Objects Moving Towards Each Other |
17:48 | |
| |
| Kinetic Energy Conservation |
19:20 | |
| |
Collision With a Spring-Block System |
29:17 | |
| |
| Example: Object of Mass Moving with Velocity |
29:30 | |
| |
| Object Attached to Spring of Mass with Velocity |
29:50 | |
| |
| Two Objects Attached to a Spring |
31:30 | |
| |
| Compression of Spring after Collision |
33:41 | |
| |
| Before Collision: Total Energy (Conservation of Energy) |
37:25 | |
| |
| After Collision: Total Energy |
38:49 | |
| |
Collision in Two Dimensions |
42:29 | |
| |
| Object Stationary and Other Object is Moving |
42:46 | |
| |
| Head on Collision (In 1 Dimension) |
44:07 | |
| |
| Momentum Before Collision |
45:45 | |
| |
| Momentum After Collision |
46:06 | |
| |
| If Collision is Elastic (Conservation of Kinetic Energy) Before Collision |
50:29 | |
| |
Example |
51:58 | |
| |
| Objects Moving in Two Directions |
52:33 | |
| |
| Objects Collide and Stick Together (Inelastic Collision) |
53:28 | |
| |
| Conservation of Momentum |
54:17 | |
| |
| Momentum in X-Direction |
54:27 | |
| |
| Momentum in Y-Direction |
56:15 | |
| |
Maximum Height after Collision |
10:34 | |
| |
Extra Example 2: Two Objects Hitting a Spring |
7:05 | |
| |
Extra Example 3: Mass Hits and Sticks |
2:58 | |
|
Rotation of a Rigid Body About a Fixed Axis |
1:13:20 |
| |
Intro |
0:00 | |
| |
Particle in Circular Motion |
0:11 | |
| |
| Specify a Position of a Particle |
0:55 | |
| |
| Radian |
3:02 | |
| |
| Angular Displacement |
8:50 | |
| |
Rotation of a Rigid Body |
15:36 | |
| |
| Example: Rotating Disc |
16:17 | |
| |
| Disk at 5 Revolution/Sec |
17:24 | |
| |
| Different Points on a Disk Have Different Speeds |
21:56 | |
| |
| Angular Velocity |
23:03 | |
| |
Constant Angular Acceleration: Kinematics |
31:11 | |
| |
| Rotating Disc |
31:42 | |
| |
| Object Moving Along x-Axis (Linear Case) |
33:05 | |
| |
| If Alpha= Constant |
35:15 | |
| |
Rotational Kinetic Energy |
42:11 | |
| |
| Rod in X-Y Plane, Fixed at Center |
42:43 | |
| |
| Kinetic Energy |
46:45 | |
| |
| Moment of Inertia |
52:46 | |
| |
Moment of Inertia for Certain Shapes |
54:06 | |
| |
| Rod at Center |
54:47 | |
| |
| Ring |
55:45 | |
| |
| Disc |
56:35 | |
| |
| Cylinder |
56:56 | |
| |
| Sphere |
57:20 | |
| |
Extra Example 1: Rotating Wheel |
6:44 | |
| |
Extra Example 2: Two Spheres Attached to Rotating Rod |
8:45 | |
|
Static Equilibrium |
1:38:57 |
| |
Intro |
0:00 | |
| |
Torque |
0:09 | |
| |
| Introduction to Torque |
0:16 | |
| |
| Rod in X-Y Direction |
0:30 | |
| |
Particle in Equilibrium |
18:15 | |
| |
| Particle in Equilibrium, Net Force=0 |
18:30 | |
| |
| Extended Object Like a Rod |
19:13 | |
| |
| Conditions of Equilibrium |
26:34 | |
| |
| Forces Acting on Object (Proof of Torque) |
31:46 | |
| |
The Lever |
35:38 | |
| |
| Rod on Lever with Two Masses |
35:51 | |
| |
Standing on a Supported Beam |
40:53 | |
| |
| Example : Wall and Beam Rope Connect Beam and Wall |
41:00 | |
| |
| Net Force |
45:38 | |
| |
| Net Torque |
48:33 | |
| |
| Finding 'ø' |
52:50 | |
| |
Ladder About to Slip |
53:38 | |
| |
| Example: Finding Angle 'ø' Where Ladder Doesn't slip |
53:44 | |
| |
Extra Example 1: Bear Retrieving Basket |
19:42 | |
| |
Extra Example 2: Sliding Cabinet |
20:09 | |
|
Simple Harmonic Motion |
1:33:39 |
| |
Intro |
0:00 | |
| |
(Six x)/x |
0:09 | |
| |
| (Sin x)/x Lim-->0 |
0:17 | |
| |
| Definition of Sine |
5:57 | |
| |
| Sine Expressed in Radians |
8:09 | |
| |
| Example: Sin(5.73) |
9:26 | |
| |
Derivative Sin(Ax+b) |
12:14 | |
| |
| f(x)=Sin(ax+b) |
13:11 | |
| |
| Sin(α+β) |
14:56 | |
| |
Derivative Cos(Ax+b) |
20:05 | |
| |
| F(x)=Cos(Ax+b) |
20:10 | |
| |
Harmonic Oscillation: Equation of Motion |
26:00 | |
| |
| Example: Object Attached to Spring |
26:25 | |
| |
| Object is Oscillating |
27:04 | |
| |
| Force Acting on Object F=m*a |
31:21 | |
| |
| Equation of Motion |
34:41 | |
| |
Solution to The Equation of Motion |
36:40 | |
| |
| x(t) Function of time |
38:50 | |
| |
| x=Cos(ωt+ø) Taking Derivative |
41:33 | |
| |
Period |
50:37 | |
| |
| Pull The Spring With Mass and Time 't' Released |
50:54 | |
| |
| Calculating Time Period =A cos(ωt - φ) |
52:53 | |
| |
Energy of Harmonic Oscillator |
55:59 | |
| |
| Energy of The Oscillator |
56:58 | |
| |
Pendulum |
58:10 | |
| |
| Mass Attached to String and Swing |
58:20 | |
| |
Extra Example 1: Two Springs Attached to Wall |
20:46 | |
| |
Extra Example 2: Simple Pendulum |
5:29 | |
| |
Extra Example 3: Block and Spring Oscillation |
8:21 | |
|
Universal Gravitation |
1:09:20 |
| |
Intro(Universal Gravitation) |
0:00 | |
| |
Newton's Law of Gravity |
0:09 | |
| |
| Two Particles of Mass m1,m2 |
1:22 | |
| |
| Force of Attraction |
3:02 | |
| |
| Sphere and Small Particle of Mass 'm' |
4:39 | |
| |
| Two Spheres |
5:35 | |
| |
Variation of g With Altitude |
7:24 | |
| |
| Consider Earth as an Object |
7:33 | |
| |
| Force Applied To Object |
9:27 | |
| |
| At or Near Surface of Earth |
11:51 | |
| |
Satellites |
15:39 | |
| |
| Earth and Satellite |
15:45 | |
| |
| Geosynchronous Satellite |
21:25 | |
| |
Gravitational Potential Energy |
27:32 | |
| |
| Object and Earth Potential Energy=mgh |
24:45 | |
| |
| P.E=0 When Objects are Infinitely Separated |
30:32 | |
| |
| Total Energy |
38:28 | |
| |
| If Object is Very Far From Earth, R=Infinity |
40:25 | |
| |
Escape |
42:33 | |
| |
| Shoot an Object Which Should Not Come Back Down |
43:06 | |
| |
| Conservation of Energy |
48:48 | |
| |
| Object at Maximum Height (K.E=0) |
45:22 | |
| |
| Escape Velocity (Rmax = Infinity) |
46:50 | |
| |
Extra Example 1: Density of Earth and Moon |
7:09 | |
| |
Extra Example 2: Satellite Orbiting Earth |
11:54 | |
|
Fluids: Statics |
1:41:00 |
| |
Intro |
0:00 | |
| |
Mass Density |
0:23 | |
| |
| Density of Mass Solid |
0:33 | |
| |
| Density of Liquid |
1:06 | |
| |
| Density of Gas |
1:22 | |
| |
| Density of Aluminum |
2:03 | |
| |
| Density of Water |
2:34 | |
| |
| Density of Air |
2:45 | |
| |
| Example: Room |
3:11 | |
| |
Pressure |
4:59 | |
| |
| Pressure at Different Points in Liquid |
5:09 | |
| |
| Force on Face of Cube |
6:40 | |
| |
| Molecules Collide on Face of Cube |
9:34 | |
| |
| Newton's Third Law |
10:20 | |
| |
Variation of Pressure With Depth |
15:12 | |
| |
| Atmospheric Pressure |
16:08 | |
| |
| Cylinder in a Fluid of Height H |
19:40 | |
| |
Hydraulic Press |
29:50 | |
| |
| Fluid Cylinder |
30:12 | |
| |
| Hydraulics |
35:56 | |
| |
Archimedes Principle |
40:23 | |
| |
| Object in a Fluid (Submerged) |
40:55 | |
| |
| Volume of a Cylinder |
45:24 | |
| |
| Mass of Displaced Fluid |
45:48 | |
| |
| Buoyant Force |
47:30 | |
| |
Weighing a Crown |
51:03 | |
| |
| Crown Suspended on Scale in Air |
51:24 | |
| |
| Crown Weighed in Water |
51:42 | |
| |
| Density of Gold |
57:20 | |
| |
Extra Example 1: Aluminum Ball in Water |
11:59 | |
| |
Extra Example 2: Swimming Pool |
10:11 | |
| |
Extra Example 3: Helium Balloon |
10:24 | |
| |
Extra Example 4: Ball in Water |
10:16 | |
|
Fluids in Motion |
1:08:43 |
| |
Intro |
0:00 | |
| |
Ideal Fluid Flow |
0:15 | |
| |
| Fluid Flow is Steady |
0:57 | |
| |
| Fluid is Incompressible (Density is Uniform) |
2:50 | |
| |
| Fluid Flow is Non-Viscous |
3:49 | |
| |
| Honey |
4:10 | |
| |
| Water |
4:32 | |
| |
| Fluid Flow (Rotational) |
6:15 | |
| |
Equation of Continuity |
9:05 | |
| |
| Fluid Flowing in a Pipe |
9:20 | |
| |
| Fluid Entering Pipe |
11:00 | |
| |
| Fluid Leaving Pipe |
15:26 | |
| |
Garden Hose |
21:20 | |
| |
| Filling a Bucket |
22:30 | |
| |
| Speed of Water |
24:05 | |
| |
Bernoulli's Equation |
28:45 | |
| |
| Pipe Varying with Height and Cross Section |
29:18 | |
| |
| Net Work Done |
35:37 | |
| |
Venturi Tube |
43:31 | |
| |
| Finding V1, V2 with Two Unknowns |
46:20 | |
| |
| Equation of Continuity |
46:55 | |
| |
Extra Example 1: Water in a Pipe |
6:56 | |
| |
Extra Example 2: Water Tank with Hole |
8:51 | |
Section 2: Thermodynamics |
|
Temperature |
1:16:17 |
| |
Intro |
0:00 | |
| |
Celsius and Fahrenheit |
0:20 | |
| |
| Thermometer in Ice Water |
1:03 | |
| |
| Thermometer in Boiling Water |
3:03 | |
| |
| Celsius to Fahrenheit Conversion |
10:30 | |
| |
Kelvin Temperature Scale |
11:15 | |
| |
| Constant Volume Gas Thermometer |
11:57 | |
| |
| Measuring Temperature of Liquid |
12:25 | |
| |
| Temperature Increase, Pressure Increase |
14:56 | |
| |
| Absolute Zero -273.15 Degree/Celsius |
22:34 | |
| |
Thermometers |
25:44 | |
| |
| Thermometric Property |
26:14 | |
| |
| Constant Volume Gas Thermometer |
27:53 | |
| |
| Example: Electrical Resistance |
29:05 | |
| |
Linear Thermal Expansion |
31:40 | |
| |
| Heated Metal Rod |
31:58 | |
| |
Expansion of Holes |
41:05 | |
| |
| Sheet of Some Substance and Heat it |
41:16 | |
| |
| Sheet with Hole |
42:04 | |
| |
| As Temperature Increases, Hole Expands |
46:42 | |
| |
Volume Thermal Expansion |
47:02 | |
| |
| Cube of Aluminum |
47:14 | |
| |
| Water Expands More than Glass |
53:44 | |
| |
Behavior of Water Near 4c |
54:33 | |
| |
| Plotting the Density of Water |
54:55 | |
| |
Extra Example 1: Volume of Diesel Fuel |
6:54 | |
| |
Extra Example 2: Brass Pendulum |
9:40 | |
|
Heat |
1:22:01 |
| |
Intro |
0:00 | |
| |
Heat and Internal Energy |
0:09 | |
| |
| Cup of Hot Tea, Object is Hot |
0:50 | |
| |
| Heat Flows From Hot Object to Cold Object |
3:06 | |
| |
| Internal Energy , Kinetic+Potential Energy of All Atoms |
5:50 | |
| |
Specific Heat |
9:01 | |
| |
| Object of Substance |
9:18 | |
| |
| Temperature Change by Delta T |
10:03 | |
| |
| Mass of Water |
17:29 | |
| |
Calorimeter |
21:35 | |
| |
| Calorimeter-Thermal Insulated Container |
22:23 | |
| |
Latent Heat |
30:23 | |
| |
| Ice at 0 degrees |
30:52 | |
| |
| Heating the Ice |
31:15 | |
| |
| Water-Latent Heat of Fusion |
33:50 | |
| |
| Converting Ice from -20 to 0 Degree |
38:35 | |
| |
Example: Ice Water |
42:10 | |
| |
| Water of Mass 0.2 Kg |
42:23 | |
| |
| Mass of Ice that is Melted |
48:23 | |
| |
Transfer Of Heat |
48:27 | |
| |
| Convection Mass Moment |
49:00 | |
| |
| Conduction |
53:14 | |
| |
| Radiation |
57:42 | |
| |
Extra Example 1: Electric Heater with Water |
5:40 | |
| |
Extra Example 2: Mass of Steam |
7:11 | |
| |
Extra Example 3: Water in Pool |
8:32 | |
|
Kinetic Theory of Gases |
1:14:37 |
| |
Intro |
0:00 | |
| |
Ideal Gas Law |
0:08 | |
| |
| Ideal Gas Definition |
0:24 | |
| |
| 1 Mole of Gas |
1:49 | |
| |
| Avogadro's Number |
2:21 | |
| |
| Gas in a Container, Pressure Increases with Temperature |
6:22 | |
| |
| Ideal Gas law |
10:30 | |
| |
| Boltzmann's Constant |
12:49 | |
| |
Example |
13:30 | |
| |
| Conceptual Example |
13:48 | |
| |
| Shake and Open the Coke Bottle |
14:36 | |
| |
| Quantitative Example: Container with Gas |
19:50 | |
| |
| Heat the Gas to 127 Degrees |
20:23 | |
| |
Kinetic Theory |
24:06 | |
| |
| Container in a Cube Shape |
24:16 | |
| |
| Molecules Traveling with Velocity v |
26:01 | |
| |
| Change in Momentum of Molecule Per Second |
30:38 | |
| |
| Newton's Third law |
31:58 | |
| |
Example |
45:40 | |
| |
| 5 Moles of Helium in Container |
45:50 | |
| |
| Finding Number of Atoms |
47:23 | |
| |
| Calculating Pressure |
48:46 | |
| |
Distribution of Molecules |
49:45 | |
| |
| Root Mean Square |
53:10 | |
| |
Extra Example 1: Helium Gas in Balloon |
6:14 | |
| |
Extra Example 2: Oxygen Molecules |
8:57 | |
|
First Law of Thermodynamics |
1:31:27 |
| |
Intro |
0:00 | |
| |
Zeroth Law of Thermodynamics |
0:09 | |
| |
| Two Objects in Contact |
0:29 | |
| |
| Thermometer in Thermal Equilibrium (Exchanged Energy) |
5:20 | |
| |
First Law of Thermodynamics |
6:06 | |
| |
| Monatomic Ideal Gas |
6:20 | |
| |
| Internal Energy |
9:59 | |
| |
| Change in Internal Energy of System |
18:35 | |
| |
Work Done on a Gas |
22:29 | |
| |
| Cylinder with Frictionless Piston |
22:50 | |
| |
| Displacement of Piston |
25:11 | |
| |
| Under Constant Pressure |
27:37 | |
| |
| Work Done by Gas |
34:24 | |
| |
Example |
35:29 | |
| |
| Ideal gas, Monatomic Expands Isobarically |
35:48 | |
| |
| Isobaric: Process at Constant Atmospheric Pressure |
37:33 | |
| |
| Work Done By Gas |
40:21 | |
| |
Example 2 |
47:19 | |
| |
| Steam |
47:30 | |
| |
| Cylinder with Steam |
49:20 | |
| |
| Work Done By Gas |
51:20 | |
| |
| Change in Internal Energy of System |
52:53 | |
| |
Extra Example 1: Gas Expanding Isobarically |
10:26 | |
| |
Extra Example 2: Block of Aluminum |
12:25 | |
| |
Extra Example 3: Gas in Piston |
11:30 | |
|
Thermal Process in an Ideal Gas |
1:47:16 |
| |
Intro |
0:00 | |
| |
Isobaric and Isovolumetric Process |
0:13 | |
| |
| Isobaric Definition |
0:24 | |
| |
| PV Diagram |
0:54 | |
| |
| Isovolumetric Process |
1:37 | |
| |
| Total work done By gas |
8:08 | |
| |
Isothermal Expansion |
11:20 | |
| |
| Isothermal Definition |
11:42 | |
| |
| Piston on a Container |
12:57 | |
| |
| Work Done by Gas |
22:01 | |
| |
Example |
22:09 | |
| |
| 5 Moles of Helium gas |
22:20 | |
| |
| Determining T |
26:20 | |
| |
Molar Specific Heat |
27:11 | |
| |
| Heating a Substance |
27:30 | |
| |
| Ideal Monoatomics Gas |
35:15 | |
| |
| Temperature Change in Constant Volume |
35:31 | |
| |
| Temperature Change in Constant Pressure |
39:10 | |
| |
Adiabatic Process |
48:44 | |
| |
| IsoVolumetric Process V=0 |
48:57 | |
| |
| Isobaric Process at P=0 |
49:15 | |
| |
| Isothermal C=0 |
49:36 | |
| |
| Adiabatic Process: Definition |
50:33 | |
| |
Extra Example 1: Gas in Cycle |
14:06 | |
| |
Extra Example 2: Gas Compressed Isothermally |
13:45 | |
| |
Extra Example 3: Two Compartments of Gas |
18:22 | |
|
Heat Engines and Second Law of Thermodynamics |
1:03:37 |
| |
Intro |
0:00 | |
| |
Introduction |
0:13 | |
| |
| Statement of Conservation of Energy |
0:44 | |
| |
| Flow of Heat from Hot to Cold |
3:31 | |
| |
Heat Engines: Kelvin-Plank Statement |
4:36 | |
| |
| Steam Engine |
4:55 | |
| |
| Efficiency of Engine |
10:49 | |
| |
| Kelvin Plank Statement of Second Law |
13:25 | |
| |
Example |
17:01 | |
| |
| Heat Engine with Efficiency 25% |
17:10 | |
| |
| Work Done During 1 cycle |
18:03 | |
| |
| Power |
20:15 | |
| |
Heat Pump: Clausius Statement |
20:47 | |
| |
| Refrigerator |
26:35 | |
| |
| Coefficient of Performance (COP) |
27:48 | |
| |
| Clausius Statement |
34:03 | |
| |
| Impossible Engine |
35:15 | |
| |
Equivalence of Two Statements |
36:51 | |
| |
| Suppose Kelvin-Plank Statement is False |
38:16 | |
| |
| Clausius Statement is False |
43:46 | |
| |
Extra Example 1: Heat Engine Cycle |
6:02 | |
| |
Extra Example 2: Refrigerator |
6:34 | |
|
Carnot Engine |
1:36:57 |
| |
Intro |
0:00 | |
| |
Reversible Process |
0:55 | |
| |
| All Real Processes are Irreversible |
3:20 | |
| |
| Ball Falls Onto Sand |
3:49 | |
| |
| Heat Flow from Hot to Cold |
7:30 | |
| |
| Container with Gas and Piston (Frictionless) |
9:20 | |
| |
Carnot Engine |
15:29 | |
| |
| Cylinder With Piston |
16:01 | |
| |
| Isothermal Expansion |
19:15 | |
| |
| Insulate Base of Cylinder |
19:39 | |
| |
Efficiency |
32:40 | |
| |
| Work Done by Gas |
34:42 | |
| |
Carnot Principle |
46:44 | |
| |
| Heat Taken From Hot Reservoir |
54:40 | |
| |
Example |
56:53 | |
| |
| Steam Engine with Two Temperatures |
57:12 | |
| |
| Work Done |
59:21 | |
| |
Extra Example 1: Carnot Isothermal Expansion |
5:22 | |
| |
Extra Example 2: Energy In Out as Heat |
6:07 | |
| |
Extra Example 3: Gas through Cycle |
24:32 | |
|
Entropy and Second Law of Thermodynamics |
53:32 |
| |
Intro |
0:00 | |
| |
One Way Process |
0:40 | |
| |
| Hot to Cold (Conserved Energy) |
1:12 | |
| |
| Gas in a Insulated Container |
2:03 | |
| |
| Entropy |
9:05 | |
| |
Change in Entropy |
16:13 | |
| |
| System at Constant Temperature |
16:35 | |
| |
| Insulated Container |
19:51 | |
| |
| Work Done by Gas |
26:40 | |
| |
Second Law of Thermodynamics: Entropy Statement |
29:30 | |
| |
| Irreversible Process |
30:10 | |
| |
| Gas Reservoir |
33:02 | |
| |
Extra Example 1: Ice Melting |
4:25 | |
| |
Extra Example 2: Partition with Two Gases |
7:33 | |
| |
Extra Example 3: Radiation from Sun |
5:45 | |
Section 3: Waves |
|
Traveling Waves |
1:21:27 |
| |
Intro |
0:00 | |
| |
What is a Wave? |
0:19 | |
| |
| Example: Rod and Swinging Balls |
0:55 | |
| |
| Huge Number of Atoms |
2:35 | |
| |
| Disturbance Propagates |
5:51 | |
| |
| Source of Disturbance |
8:25 | |
| |
| Wave Propagation |
8:50 | |
| |
| Mechanism of Medium |
10:18 | |
| |
| Disturbance Moves |
12:19 | |
| |
Types of Waves |
12:52 | |
| |
| Transverse Wave |
13:11 | |
| |
| Longitudinal Wave |
17:30 | |
| |
Sinusoidal Waves |
26:47 | |
| |
| Every Cycle has 1 Wavelength |
35:15 | |
| |
| Time for Each Cycle |
36:32 | |
| |
| Speed of Wave |
37:10 | |
| |
Speed of Wave on Strings |
42:24 | |
| |
| Formula for Wave Speed |
51:11 | |
| |
Example |
51:25 | |
| |
| String with Blade Generate Pulse |
51:35 | |
| |
Reflection of Waves |
55:18 | |
| |
| String Fixed at End |
55:37 | |
| |
| Wave Inverted |
58:31 | |
| |
| Wave on a Frictionless Ring |
58:52 | |
| |
| Free End: No Inverted Reflection |
60:18 | |
| |
Extra Example 1: Tension in Cord |
3:50 | |
| |
Extra Example 2: Waves on String |
7:17 | |
| |
Extra Example 3: Mass on Cord with Pulse |
9:53 | |
|
Sound |
1:20:56 |
| |
Intro |
0:00 | |
| |
Longitudinal Sound Wave |
0:12 | |
| |
| Tube Filled With Gas and Piston at One End |
1:07 | |
| |
| Compression or Condensation |
5:01 | |
| |
| Moving the Piston Back |
6:16 | |
| |
| Rarefaction |
7:06 | |
| |
| Wavelength |
11:57 | |
| |
Frequency |
13:07 | |
| |
| Diaphragm of a Large Speaker |
13:20 | |
| |
| Audible Wave Human Being |
14:50 | |
| |
| Frequency Less Than 20 Khz Infrasonic Wave |
15:40 | |
| |
| Larger Than 20 Khz Ultrasonic Wave |
16:15 | |
| |
Pressure as a Sound Wave |
18:30 | |
| |
| Sound Wave Propagation in Tube |
19:13 | |
| |
Speed of Sound |
25:10 | |
| |
| Speed of Sound in Gas |
32:50 | |
| |
| Speed of Sound at 0 Degrees |
36:50 | |
| |
| Speed of Sound in Liquid |
41:48 | |
| |
| Speed of Sound in Solid |
46:00 | |
| |
Sound Intensity |
46:29 | |
| |
| Energy Produced/Sec |
49:12 | |
| |
Decibels |
51:10 | |
| |
| Sound Level or Intensity Level |
54:30 | |
| |
| Threshold of Hearing |
54:52 | |
| |
Extra Example 1: Eardrum |
5:11 | |
| |
Extra Example 2: Sound Detector |
7:50 | |
| |
Extra Example 3: Lightning and Thunder |
7:33 | |
|
Doppler Effect |
1:33:51 |
| |
Intro |
0:00 | |
| |
Observer Moving, Source Stationary |
0:10 | |
| |
| Observer Intercepts the Wave Front |
1:47 | |
| |
| Number of Waves Intercepted |
5:25 | |
| |
| Wave Fronts Integrated |
6:05 | |
| |
| Towards the Source |
11:15 | |
| |
| Moving Away from Source |
15:02 | |
| |
| Example: Rain |
19:42 | |
| |
Observer Stationary Source Moving |
20:40 | |
| |
| During Time |
27:43 | |
| |
| Wavelength Measured by Observed |
28:38 | |
| |
General Case |
33:27 | |
| |
| Source and Observer Moving |
33:40 | |
| |
| Observer is Moving |
33:50 | |
| |
| Observer is Stationary |
34:24 | |
| |
Supersonic Speed |
43:30 | |
| |
| Airplane |
44:03 | |
| |
Extra Example 1: Oscillating Spring |
18:25 | |
| |
Extra Example 2: Police Siren |
11:05 | |
| |
Extra Example 3: Sonic Jet |
6:14 | |
|
Interference |
1:18:44 |
| |
Intro |
0:00 | |
| |
Principle of Linear Superposition |
0:10 | |
| |
| Example: String Sending Two Pulses |
1:26 | |
| |
| Sum of Two Pulses |
3:38 | |
| |
Interference |
11:56 | |
| |
| Two Speakers Driven By Same Frequency |
12:29 | |
| |
| Constructive Interference |
22:09 | |
| |
| Destructive Interference |
33:06 | |
| |
Example |
37:25 | |
| |
| Two Speakers |
37:42 | |
| |
| Speed of Sound |
38:25 | |
| |
Diffraction |
43:53 | |
| |
| Circular Aperture |
49:59 | |
| |
Beats |
52:15 | |
| |
| Two Frequency |
53:02 | |
| |
| Time Separated by 1 sec |
59:55 | |
| |
Extra Example 1: Two Speakers |
11:38 | |
| |
Extra Example 2: Tube and Sound Detector |
6:30 | |
|
Standing Waves |
1:34:34 |
| |
Intro |
0:00 | |
| |
Standing Wave on String |
0:09 | |
| |
| Propagation Waves |
0:59 | |
| |
| String with Both Ends Fixed |
1:06 | |
| |
| Sine Wave |
5:43 | |
| |
| Placing Two Nodes and Vibrating String |
7:26 | |
| |
| Fundamental Frequency |
13:50 | |
| |
| First Overtone |
14:05 | |
| |
Example |
20:49 | |
| |
| Spring |
21:08 | |
| |
| Hanging a Weight with a Pulley |
21:26 | |
| |
Air Columns |
26:22 | |
| |
| Pipe Open at Both Ends |
27:13 | |
| |
| Pipe Open at One End |
36:55 | |
| |
Example |
41:56 | |
| |
| Container with Water |
42:05 | |
| |
| Tuning Fork |
43:00 | |
| |
| Resonance |
44:07 | |
| |
| Length of Pipe Producing Wavelength |
51:51 | |
| |
Extra Example 1: String Sound Wave |
10:50 | |
| |
Extra Example 2: Block with Wire is Plucked |
14:47 | |
| |
Extra Example 3: Pipe Natural Frequencies |
13:15 | |
Section 4: Electricity and Magnetism |
|
Electric Force |
56:18 |
| |
Intro |
0:00 | |
| |
Electric Charge |
0:18 | |
| |
| Matter Consists of Atom |
1:01 | |
| |
| Two Types of Particles: Protons & Neutrons |
1:48 | |
| |
| Object with Excess Electrons: Negatively Charged |
7:58 | |
| |
| Carbon Atom |
8:30 | |
| |
| Positively Charged Object |
9:55 | |
| |
Electric Charge |
10:07 | |
| |
| Rubber Rod Rubs Against Fur (Negative Charge) |
10:16 | |
| |
| Glass Rod Rub Against Silk (Positive Charge) |
11:48 | |
| |
| Hanging Rubber Rod |
12:44 | |
| |
Conductors and Insulators |
16:00 | |
| |
| Electrons Close to Nucleus |
18:34 | |
| |
| Conductors Have Mobile Charge |
21:30 | |
| |
| Insulators: No Moving Electrons |
23:06 | |
| |
| Copper Wire Connected to Excess Negative charge |
23:22 | |
| |
| Other End Connected to Excess Positive Charge |
24:09 | |
| |
Charging a Metal Object |
27:25 | |
| |
| By Contact |
28:05 | |
| |
| Metal Sphere on an Insulating Stand |
28:16 | |
| |
| Charging by Induction |
30:59 | |
| |
| Negative Rubber Rod |
31:26 | |
| |
| Size of Atom |
36:08 | |
| |
Extra Example 1: Three Metallic Objects |
7:32 | |
| |
Extra Example 2: Rubber Rod and Two Metal Spheres |
6:25 | |
|
Coulomb's Law |
1:27:18 |
| |
Intro |
0:00 | |
| |
Coulomb's Law |
0:59 | |
| |
| Two Point Charges by Distance R |
1:11 | |
| |
| Permittivity of Free Space |
5:28 | |
| |
Charges on the Vertices of a Triangle |
8:00 | |
| |
| 3 Charges on Vertices of Right Triangle |
8:29 | |
| |
| Charge of 4, -5 and -2 micro-Coulombs |
10:00 | |
| |
| Force Acting on Each Charge |
10:58 | |
| |
Charges on a Line |
21:29 | |
| |
| 2 Charges on X-Axis |
22:40 | |
| |
| Where Should Q should be Placed, Net Force =0 |
23:23 | |
| |
Two Small Spheres Attached to String |
31:08 | |
| |
| Adding Some Charge |
32:03 | |
| |
| Equilibrium Net Force on Each Sphere = 0 |
33:38 | |
| |
Simple Harmonic Motion of Point Charge |
37:40 | |
| |
| Two Charges on Y-Axis |
37:55 | |
| |
| Charge is Attracted |
39:52 | |
| |
| Magnitude of Net Force on Q |
42:23 | |
| |
Extra Example 1: Vertices of Triangle |
9:39 | |
| |
Extra Example 2: Tension in String |
11:46 | |
| |
Extra Example 3: Two Conducting Spheres |
6:29 | |
| |
Extra Example 4: Force on Charge |
9:21 | |
|
Electric Field |
1:37:24 |
| |
Intro |
0:00 | |
| |
Definition of Electric Field |
0:11 | |
| |
| Q1 Produces Electric Field |
3:23 | |
| |
| Charges on a Conductor |
4:26 | |
| |
Field of a Point Charge |
13:10 | |
| |
| Charge Point Between Two Fields |
13:20 | |
| |
| Electric Field E=kq/r2 |
14:29 | |
| |
| Direction of the Charge Field |
15:10 | |
| |
| Positive Charge, Field is Radially Out |
15:45 | |
| |
Field of a Collection of a Point Charge |
19:40 | |
| |
| Two Charges Q1,Q2 |
19:56 | |
| |
| Q1 Positive, Electric Field is Radially Out |
20:32 | |
| |
| Q2 is Negative, Electric Field is Radially Inward |
20:46 | |
| |
| 4 Charges are Equal |
23:54 | |
| |
Parallel Plate Capacitor |
25:42 | |
| |
| Two Plates ,Separated by a Distance |
26:44 | |
| |
| Fringe Effect |
30:26 | |
| |
| E=Constant Between the Parallel Plate Capacitor |
30:40 | |
| |
Electric Field Lines |
35:16 | |
| |
| Pictorial Representation of Electric Field |
35:30 | |
| |
| Electric Lines are Tangent to the Vector |
35:57 | |
| |
| Lines Start at Positive Charge, End on Negative Charge |
41:24 | |
| |
| Parallel Line Proportional to Charge |
45:51 | |
| |
| Lines Never Cross |
46:00 | |
| |
Conductors and Shielding |
49:33 | |
| |
| Static Equilibrium |
51:09 | |
| |
| No Net Moment of Charge |
53:09 | |
| |
| Electric Field is Perpendicular to the Surface of Conductor |
55:40 | |
| |
Extra Example 1: Plastic Sphere Between Capacitor |
8:46 | |
| |
Extra Example 2: Electron Between Capacitor |
11:52 | |
| |
Extra Example 3: Zero Electric Field |
10:44 | |
| |
Extra Example 4: Dimensional Analysis |
6:01 | |
|
Electric Potential |
1:17:09 |
| |
Intro |
0:00 | |
| |
Electric Potential Difference |
0:11 | |
| |
| Example :Earth and Object |
0:36 | |
| |
| Work Done |
2:01 | |
| |
| Work Done Against Field |
5:31 | |
| |
| Difference in Potential, Between Points |
9:08 | |
| |
| Va=Vb+Ed |
11:35 | |
| |
Potential Difference in a Constant Electric Field |
18:03 | |
| |
| Force Applied Along the Path |
18:42 | |
| |
| Work Done Along the Path |
23:28 | |
| |
| Potential Difference is Same |
23:45 | |
| |
Point Charge |
28:50 | |
| |
| Electric Field of Point Charge is Radial |
29:10 | |
| |
| Force Applied is Perpendicular to Displacement |
32:01 | |
| |
| Independent of Path |
41:08 | |
| |
Collection of Point Charge |
43:56 | |
| |
| Electric Potential at Charge Points |
44:15 | |
| |
Equipotential Surface |
46:33 | |
| |
| Plane Perpendicular to Field |
46:49 | |
| |
| Force Perpendicular to Surface |
47:37 | |
| |
Potential Energy: System of a Two Point Charges |
54:17 | |
| |
| Work Done in Moving the Charge to Infinity |
55:53 | |
| |
Potential Energy: System of Point Charges |
57:05 | |
| |
Extra Example 1: Electric Potential of Particle |
10:28 | |
| |
Extra Example 2: Particle Fired at Other Particle |
8:30 | |
|
Capacitor |
1:24:14 |
| |
Intro |
0:00 | |
| |
Capacitance |
0:09 | |
| |
| Consider Two Conductor s |
0:25 | |
| |
| Electric Field Passing from Positive to Negative |
1:19 | |
| |
| Potential Difference |
3:31 | |
| |
| Defining Capacitance |
3:51 | |
| |
Parallel Plate Capacitance |
8:30 | |
| |
| Two Metallic Plates of Area 'a' and Distance 'd' |
8:46 | |
| |
| Potential Difference between Plates |
13:12 | |
| |
Capacitance with a Dielectric |
22:14 | |
| |
| Applying Electric Field to a Capacitor |
22:44 | |
| |
| Dielectric |
30:32 | |
| |
Example |
34:56 | |
| |
| Empty Capacitor |
35:12 | |
| |
| Connecting Capacitor to a Battery |
35:26 | |
| |
| Inserting Dielectric Between Plates |
39:02 | |
| |
Energy of a Charged Capacitor |
43:01 | |
| |
| Work Done in Moving a Charge, Difference in Potential |
47:48 | |
| |
Example |
54:10 | |
| |
| Parallel Plate Capacitor |
54:22 | |
| |
| Connect and Disconnect the Battery |
55:27 | |
| |
| Calculating Q=cv |
55:50 | |
| |
| Withdraw Mica Sheet |
56:49 | |
| |
| Word Done in Withdrawing the Mica |
60:23 | |
| |
Extra Example 1: Parallel Plate Capacitor |
8:41 | |
| |
Extra Example 2: Mica Dielectric |
15:01 | |
|
Combination of Capacitors |
1:03:23 |
| |
Intro |
0:00 | |
| |
Parallel Combination |
0:20 | |
| |
| Two Capacitors in Parallel With a Battery |
0:40 | |
| |
| Electric Field is Outside |
5:47 | |
| |
| Point A is Directly Connected to Positive Terminal |
7:57 | |
| |
| Point B is Directly Connected to Negative Terminal |
8:10 | |
| |
| Voltage Across Capacitor |
12:54 | |
| |
| Energy Stored |
14:52 | |
| |
Series Combination |
17:58 | |
| |
| Two Capacitors Connected End to End With a Battery |
18:10 | |
| |
| Equivalent Capacitor |
25:20 | |
| |
| A is Same Potential |
26:59 | |
| |
| C is Same Potential |
27:06 | |
| |
| Potential Difference Across First Capacitor (Va-Vb) |
27:42 | |
| |
| (Vb-Vc) is Potential Difference Across Second Capacitor |
28:10 | |
| |
| Energy Stored in C1,C2 |
29:53 | |
| |
Example |
31:07 | |
| |
| Two Capacitor in Series, 2 in Parallel, 3 in Parallel, 1 Capacitor Connected |
31:28 | |
| |
| Final Equivalent Circuit |
37:31 | |
| |
Extra Example 1: Four Capacitors |
16:50 | |
| |
Extra Example 2: Circuit with Switches |
8:25 | |
|
Electric Current |
1:19:17 |
| |
Intro |
0:00 | |
| |
Definition |
0:20 | |
| |
| Consider a Wire ,Cylindrical |
0:40 | |
| |
| Cross Sectional Area |
1:06 | |
| |
| Crossing Charges Will be Counted |
2:50 | |
| |
| Amount of Charge Crosses Cross Sectional Area |
3:29 | |
| |
| Current I=q/t |
4:18 | |
| |
| Charges Flowing in Opposite Direction |
5:58 | |
| |
| Current Density |
6:19 | |
| |
| Applying Electric Field |
11:50 | |
| |
Current in a Wire |
15:24 | |
| |
| Wire With a Cross Section Area 'A' |
15:33 | |
| |
| Current Flowing to Right |
18:57 | |
| |
| How Much Charge Crosses Area 'A' |
19:15 | |
| |
| Drift Velocity |
20:02 | |
| |
| Carriers in Cylinder |
22:40 | |
| |
Ohm's Law |
24:58 | |
| |
| Va-Vb = Electric Field times Length of Wire |
28:27 | |
| |
| Ohm's Law |
28:54 | |
| |
| Consider a Copper Wire of 1m , Cross Sectional Area 1cm/sq |
34:24 | |
| |
Temperature Effect |
37:07 | |
| |
| Heating a Wire |
37:05 | |
| |
| Temperature Co-Efficient of Resistivity |
39:57 | |
| |
Battery EMF |
43:00 | |
| |
| Connecting a Resistance to Battery |
44:30 | |
| |
| Potential Difference at Terminal of Battery |
45:15 | |
| |
Power |
53:30 | |
| |
| Battery Connected with a Resistance |
53:47 | |
| |
| Work Done on Charge |
56:55 | |
| |
| Energy Lost Per Second |
60:35 | |
| |
Extra Example 1: Current |
9:46 | |
| |
Extra Example 2: Water Heater |
8:05 | |
|
Circuits |
1:34:08 |
| |
Intro |
0:00 | |
| |
Simple Rules |
0:16 | |
| |
| Resistance in Series |
0:33 | |
| |
| Current Passing Per Second is Equal |
1:36 | |
| |
| Potential Difference |
3:10 | |
| |
| Parallel Circuit, R1, R2 |
5:08 | |
| |
| Battery, Current Starts From Positive Terminal to Negative Terminal |
10:08 | |
| |
Series Combination of Resistances |
13:06 | |
| |
| R1, R2 Connected to Battery |
13:35 | |
| |
| Va-Vb=Ir1,Vb-Vc=Ir2 |
16:59 | |
| |
| Three Resistance Connected in Series Req=r1+r2+r3 |
18:55 | |
| |
Parallel Combination of Resistance |
19:28 | |
| |
| R1 and R2 Combined Parallel |
19:50 | |
| |
| I=i1+i2 (Total Current) |
24:26 | |
| |
| Requ=I/E |
24:51 | |
| |
A Simple Circuit |
27:57 | |
| |
| Intro |
28:40 | |
| |
| Current Splits |
29:15 | |
| |
| Total Resistance |
31:52 | |
| |
| Current I= 6/17.2 |
35:10 | |
| |
Another Simple Circuit |
37:46 | |
| |
| Battery has Small Internal Resistance |
38:02 | |
| |
| 2 Ohms Internal Resistance, and Two Resistance in Parallel |
38:24 | |
| |
| Drawing Circuit |
48:53 | |
| |
| Finding Current |
52:06 | |
| |
RC Circuit |
55:17 | |
| |
| Battery , Resistance and Capacitance Connected |
55:30 | |
| |
| Current is Function of Time |
58:00 | |
| |
| R, C are Time Constants |
59:25 | |
| |
Extra Example 1: Resistor Current/Power |
4:17 | |
| |
Extra Example 2: Find Current |
6:03 | |
| |
Extra Example 3: Find Current |
10:00 | |
| |
Extra Example 4: Find Current |
13:49 | |
|
Kirchhoff's Rules |
1:42:02 |
| |
Intro |
0:00 | |
| |
First Kirchhoff Rule |
0:19 | |
| |
| Two Resistance Connected With a Battery |
0:29 | |
| |
| Many Resistance |
1:40 | |
| |
| Increase in Potential from A to B |
4:46 | |
| |
| Charge Flowing from Higher Potential to Lower Potential |
5:13 | |
| |
Second Kirchhoff Rule |
9:17 | |
| |
| Current Entering |
9:27 | |
| |
| Total Current Arriving is Equal Current Leaving |
13:20 | |
| |
Example |
14:10 | |
| |
| Battery 6 V, Resistance 20, 30 Ohms and Another Battery 4v |
14:30 | |
| |
| Current Entering I2+I3 |
21:18 | |
| |
Example 2 |
31:20 | |
| |
| 2 Loop circuit with 6v and 12 v and Resistance, Find Current in Each Resistance |
32:29 | |
| |
Example 3 |
42:02 | |
| |
| Battery and Resistance in Loops |
42:23 | |
| |
Ammeters and Voltmeters |
56:22 | |
| |
| Measuring Current is Introducing an Ammeter |
56:35 | |
| |
| Connecting Voltmeter, High Resistance |
57:31 | |
| |
Extra Example 1: Find Current |
18:47 | |
| |
Extra Example 2: Find Current |
13:35 | |
| |
Extra Example 3: Find Current |
10:23 | |
|
Magnetic Field |
1:38:19 |
| |
Intro |
0:00 | |
| |
Magnets |
0:13 | |
| |
| Compass Will Always Point North |
3:49 | |
| |
| Moving a Compass Needle |
5:50 | |
| |
Force on a Charged Particles |
10:37 | |
| |
| Electric Field and Charge Particle Q |
10:48 | |
| |
| Charge is Positive Force |
11:11 | |
| |
| Charge Particle is At Rest |
13:38 | |
| |
| Taking a Charged Particle and Moving to Right |
16:15 | |
| |
| Using Right Hand Rule |
23:37 | |
| |
| C= Magnitude of A, B |
26:30 | |
| |
| Magnitude of C |
26:55 | |
| |
Motion of Particle in Uniform Magnetic Field |
33:30 | |
| |
| Magnetic Field has Same Direction |
34:02 | |
| |
| Direction of Force |
38:40 | |
| |
| Work Done By Force=0 |
41:40 | |
| |
| Force is Perpendicular With Velocity |
42:00 | |
| |
Bending an Electron Beam |
48:09 | |
| |
| Heating a Filament |
48:29 | |
| |
| Kinetic Energy of Battery |
51:54 | |
| |
| Introducing Magnetic Field |
52:10 | |
| |
Velocity Selector |
53:45 | |
| |
| Selecting Particles of Specific Velocity |
54:00 | |
| |
| Parallel Plate Capacitor |
54:30 | |
| |
| Magnetic Force |
56:20 | |
| |
| Magnitude of Force |
56:45 | |
| |
Extra Example 1: Vectors |
19:24 | |
| |
Extra Example 2: Proton in Magnetic Field |
8:33 | |
| |
Extra Example 3: Proton Circular Path |
10:46 | |
|
Force on a Current in a Magnetic Field |
1:16:03 |
| |
Intro |
0:00 | |
| |
Effect of Magnetic Field on Current |
0:44 | |
| |
| Conduction Wire, Horse Shoe Magnet |
0:55 | |
| |
| Introducing a Battery to the Wire |
3:10 | |
| |
| Wire Bends Pushing Left |
3:50 | |
| |
| Wire Bends Toward Right |
5:08 | |
| |
| In Absence of Magnetic Field |
5:34 | |
| |
| Magnet and Wire Force Towards Upward |
10:22 | |
| |
Force |
11:55 | |
| |
| Conductor Connected to Battery, Carrying Current to Right |
12:52 | |
| |
| Magnetic Field Oriented into Page |
13:20 | |
| |
| Force on 1 Change |
20:00 | |
| |
| Total Force on Wire |
21:45 | |
| |
| Vector of magnitude |
25:40 | |
| |
| Direction is Scalar |
26:12 | |
| |
| Force on Wire |
31:00 | |
| |
Torque on a Current loop |
35:38 | |
| |
| Square of Rectangle of Wire in Loop |
35:49 | |
| |
| Passing Current |
36:14 | |
| |
| Force on 1 |
36:25 | |
| |
| Force on 3 |
40:46 | |
| |
| Force on 2 |
42:26 | |
| |
| Force on 4 |
45:12 | |
| |
Example |
49:33 | |
| |
| Wire of Length |
49:50 | |
| |
| Magnetic Field, Force on Wire |
52:37 | |
| |
Extra Example 1: Lifting a Wire |
5:35 | |
| |
Extra Example 2: Rod on Two Rails |
7:33 | |
| |
Extra Example 3: Rod on Two Rails with Friction |
6:54 | |
|
Magnetic Field Produced by Currents |
1:16:19 |
| |
Intro |
0:00 | |
| |
Long Straight Wire |
0:49 | |
| |
| Long Wire Connect to Battery (Imaginary Plane) |
1:07 | |
| |
| Introducing a Compass |
3:15 | |
| |
| Amperes Law/Biot-Savart law |
8:01 | |
| |
| Wire With Current I |
8:35 | |
| |
| Magnetic Permeability of Free Space |
11:41 | |
| |
Example |
13:22 | |
| |
| Wire With Current 5 Amps |
13:35 | |
| |
| Calculation Magnetic Field Produced By Wire |
16:42 | |
| |
Magnetic Force Between Parallel Current Carrying Wire |
21:34 | |
| |
| Two Wires Carrying Current |
21:45 | |
| |
| Calculating Force of Attraction |
23:27 | |
| |
| Magnetic Field B Produced by First Wire |
25:14 | |
| |
| Force on Second Wire |
28:33 | |
| |
Example |
33:59 | |
| |
| Wire on Ground |
34:10 | |
| |
| Another Wire |
34:24 | |
| |
| Magnetic Force on Wire 2 |
37:35 | |
| |
Coils |
41:16 | |
| |
| Circular Loop |
42:25 | |
| |
| Magnetic Field is Not Uniform |
42:55 | |
| |
| Magnetic Field at Center |
43:11 | |
| |
| Solenoid |
46:20 | |
| |
| Wire of length L in Coil with a Battery |
47:11 | |
| |
Extra Example 1: Two Parallel Wires |
9:14 | |
| |
Extra Example 2: Magnetic Field of Wires |
13:50 | |
|
Electromagnetic Induction |
1:34:15 |
| |
Intro |
0:00 | |
| |
Induced EMF |
0:51 | |
| |
| Electro Motive Force |
1:05 | |
| |
| Hang a Wire Loop and Using a Magnet |
3:02 | |
| |
| Magnetic Field is Strong |
7:07 | |
| |
| Induced EMF is Not Related |
9:20 | |
| |
Motional EMF |
11:43 | |
| |
| Conducting Metal |
12:10 | |
| |
| Rod Moves to Right |
12:52 | |
| |
| Force Exerted on Charge Carrier |
15:20 | |
| |
| Potential Difference |
20:05 | |
| |
Example |
25:57 | |
| |
| Rod in Magnetic Field, Connected by Wires |
27:10 | |
| |
| Power Dissipated |
32:18 | |
| |
| In 1 Minute, Total Energy Consumption |
34:53 | |
| |
Where Does the Energy Come From |
37:50 | |
| |
| Magnetic Waves with Conductive Bar |
38:12 | |
| |
| To Keep the Rod Moving With Constant Velocity |
46:33 | |
| |
| Work Done By External Agent in 1 Min |
46:50 | |
| |
Relation to Magnetic Flux |
51:03 | |
| |
| Area Swept by Rod |
54:44 | |
| |
Magnetic Flux |
57:34 | |
| |
| Magnetic Field is Constant |
57:50 | |
| |
| Area Perpendicular To field |
58:02 | |
| |
Extra Example 1: Motional EMF of Rod |
5:04 | |
| |
Extra Example 2: Motional EMF, Current, Power |
8:05 | |
| |
Extra Example 3: Current in Resistor |
20:08 | |
|
Faraday's Law |
1:30:49 |
| |
Intro |
0:00 | |
| |
Faraday's Law |
0:57 | |
| |
| Coil Connected to Battery With Switch |
1:14 | |
| |
| Closed Switch Ammeter Reads Current |
3:45 | |
| |
| Current in First Coil Drops to Zero |
8:30 | |
| |
| Change in Flux Generates Current |
8:53 | |
| |
| Induced EMF |
9:13 | |
| |
Example |
13:45 | |
| |
| Coil Has N Turns |
13:55 | |
| |
| Connecting the Ends of Wire to Resistance |
14:40 | |
| |
| Total Flux |
16:55 | |
| |
Motional EMF Revisited |
25:04 | |
| |
| Rod Moving in a Magnetic Field |
25:24 | |
| |
| Magnetic Force Pushes Electrons |
28:01 | |
| |
| Magnetic Field is Perpendicular to Area |
31:50 | |
| |
| Flux in Loop |
32:15 | |
| |
Lenz's Law |
40:03 | |
| |
| Magnetic Field into Page |
40:30 | |
| |
| Current Induced by 'Increased Flux' |
44:35 | |
| |
| Current Induced to Oppose Change in Flux |
49:28 | |
| |
| Flux is Increasing, Opposing Created Magnetic Field In Opposite Direction |
55:01 | |
| |
Extra Example 1: Loop of Wire in Magnetic Field |
9:58 | |
| |
Extra Example 2: Coil in Square |
10:45 | |
| |
Extra Example 3: Decreasing Magnetic Field |
13:43 | |
Section 5: Optics |
|
Reflection of Light |
1:12:22 |
| |
Intro |
0:00 | |
| |
Nature of Light |
0:22 | |
| |
| Aristotle: Light Illuminated from Eye |
0:58 | |
| |
Light Rays |
15:50 | |
| |
| Light Source Eliminates Stream Of Light |
16:22 | |
| |
| Wave Fronts and Crests |
16:57 | |
| |
Reflection |
18:50 | |
| |
| Sending Light on Surface |
19:01 | |
| |
| Light Reflects Parallel Out |
19:20 | |
| |
| Specular Reflection |
20:06 | |
| |
| Surface is Not Smooth |
20:16 | |
| |
| Reflected in Different Direction |
20:35 | |
| |
Law of Reflection |
21:47 | |
| |
| Light Ray Hits the Plane Mirror |
22:08 | |
| |
| Drawing Normal Perpendicular to Surface of Mirror |
22:50 | |
| |
| Angle of Incidence |
23:15 | |
| |
| Angle of Reflection |
23:50 | |
| |
| Path of Least Time |
26:43 | |
| |
| Fermat's Principle |
30:14 | |
| |
| Light Takes Path of Shortest Time |
38:49 | |
| |
Formation of Image by Plane Mirror |
40:11 | |
| |
| Plane Mirror and a Source |
40:20 | |
| |
| Looking at first Reflection |
42:30 | |
| |
| S is the Real Object |
48:05 | |
| |
Real and Virtual Object and Image |
50:10 | |
| |
| Optical Instrument |
50:37 | |
| |
| If Rays are Divergent Object is Real |
51:42 | |
| |
| Rays are Convergent, Virtual Object |
52:54 | |
| |
Extra Example 1: Object Between Two Mirrors |
10:08 | |
| |
Extra Example 2: Plane Mirror Polished Side Up |
4:50 | |
|
Spherical Mirror |
1:30:39 |
| |
Intro |
0:00 | |
| |
Concave and Convex Mirror |
0:17 | |
| |
| Piece of Mirror From a Spherical Mirror |
1:00 | |
| |
| If Inner face is Polished, Concave Mirror |
2:00 | |
| |
| Principal Axis |
3:41 | |
| |
| Polished Outer Side, Convex Mirror |
4:15 | |
| |
Focal Point |
5:21 | |
| |
| Consider a Concave Mirror |
6:03 | |
| |
| Sending a Ray of Parallel Light |
6:18 | |
| |
| Paraxial Rays |
9:36 | |
| |
Ray Diagrams |
19:10 | |
| |
| Concave Mirror |
19:25 | |
| |
| Principal Axis |
19:40 | |
| |
| Rays Diverging Virtual Image |
29:14 | |
| |
Image Formation in Concave Mirrors: Real Object |
30:20 | |
| |
| Real Object |
30:51 | |
| |
| Draw a Ray to Principal Axis |
31:05 | |
| |
| Put the Object beyond 'F' |
38:13 | |
| |
Image Formation in Concave Mirrors: Virtual Object |
46:44 | |
| |
| Rays Leaving the Image: Diverging |
48:00 | |
| |
Summary of Concave Mirror |
56:17 | |
| |
| Real Object real Image |
56:52 | |
| |
| Real Object Virtual Image |
57:11 | |
| |
| Virtual Object Real Image |
57:24 | |
| |
| Virtual Object Virtual Image |
57:40 | |
| |
Extra Example 1: Concave Mirror Image Location |
9:56 | |
| |
Extra Example 2: Concave Mirror Focal Length |
9:36 | |
| |
Extra Example 3: Concave Mirror Image Location |
10:41 | |
|
Convex Mirror |
1:06:47 |
| |
Intro |
0:00 | |
| |
Image Formation: Real Object |
0:21 | |
| |
| Drawing ray Parallel to Principal Axis |
1:15 | |
| |
| Virtual Object Producing real Image |
17:41 | |
| |
Image Formation: Virtual Objects |
18:21 | |
| |
| Ray Going through C and Reflects Back |
18:40 | |
| |
| Real Object Virtual Image |
26:20 | |
| |
| Virtual Object: Real Image |
26:30 | |
| |
| Virtual Object: Virtual Image |
27:00 | |
| |
Summary |
35:30 | |
| |
| Size of Image Over Size of Object |
36:12 | |
| |
| Magnification |
41:47 | |
| |
| Example: Convex Mirror |
42:38 | |
| |
Extra Example 1: Convex Mirror |
8:07 | |
| |
Extra Example 2: Convex or Concave |
12:08 | |
|
Refraction of Light, Part 1 |
1:30:58 |
| |
Intro |
0:00 | |
| |
Index of Refraction |
0:31 | |
| |
| Speed of Light |
1:15 | |
| |
| Speed of Light in Medium |
3:02 | |
| |
| Index of Refraction of Medium |
3:33 | |
| |
| Index of Refraction of Water |
4:52 | |
| |
| Index of Refraction of Glass |
5:13 | |
| |
Snell's Law |
8:09 | |
| |
| Light is Incident from One Medium to Another |
9:05 | |
| |
| Light Bends Toward the Normal |
10:49 | |
| |
| Example: Air/Water |
12:32 | |
| |
| Light is Incident at Angle of 53 Degrees |
13:09 | |
| |
| Water is more Optically Dense Than Air |
17:20 | |
| |
Apparent Depth |
18:19 | |
| |
| Container of Water |
19:01 | |
| |
| Penny at the Bottom |
19:17 | |
| |
| Light Ray is Perpendicular to the Surface |
19:35 | |
| |
| From Snell's Law |
29:39 | |
| |
Derivation of Snell's Law |
32:38 | |
| |
| Idea of Wave Fronts |
33:05 | |
| |
Second Derivation of Snell's Law |
48:17 | |
| |
| Same as Fermat's Principal |
48:38 | |
| |
| Air and Water |
49:10 | |
| |
Extra Example 1: Light Hits Glass |
7:09 | |
| |
Extra Example 2: Find Theta |
14:42 | |
| |
Extra Example 3: Index of Refraction |
9:56 | |
|
Refraction of Light, Part 2 |
1:21:37 |
| |
Intro |
0:00 | |
| |
Prism and the Rainbow |
0:13 | |
| |
| Monochromatic Light Through Prism |
1:09 | |
| |
| Sending White Light Through Prism |
7:08 | |
| |
| Violet Bends More Than Red Light |
8:12 | |
| |
| Angle Between Incident Light and Red |
13:25 | |
| |
| Water Drops in the Atmosphere |
14:10 | |
| |
Total Internal Reflection |
18:13 | |
| |
| Surface has Air and Water |
18:30 | |
| |
| Increase Angle |
19:33 | |
| |
| Light Traveling in a Larger Index and Meets Lower Index |
29:30 | |
| |
| Water and Air Angle of Refraction is 90 Degree |
29:57 | |
| |
Optical Fibers |
32:22 | |
| |
| Long Coaxial Cable |
32:40 | |
| |
| Choose Angle for No Light Leakage |
35:03 | |
| |
Thin Lenses |
45:13 | |
| |
| Two Pieces of Transparent Glass |
45:58 | |
| |
| Plano Convex |
47:32 | |
| |
| Bi-Concave |
47:50 | |
| |
| Plano Concave |
48:05 | |
| |
| Lens Maker Formula |
51:59 | |
| |
Ray Diagrams |
53:44 | |
| |
| Ray Through the Center |
53:06 | |
| |
Extra Example 1: Angle of Incidence |
8:44 | |
| |
Extra Example 2: Block Underwater |
15:30 | |
|
Images Formed by Lenses |
1:25:20 |
| |
Intro |
0:00 | |
| |
| Converging Lenses: Real Objects |
0:25 | |
| |
| Ray Going Through Center |
1:50 | |
| |
Converging Lens: Virtual Objects |
18:30 | |
| |
| Reverse Path |
20:40 | |
| |
| Virtual Object Real Image |
22:47 | |
| |
Diverging Lens |
24:59 | |
| |
Lens Summary |
33:40 | |
| |
| Object, Lens, Image |
34:52 | |
| |
| Object Distance to Lens |
35:21 | |
| |
| Image Distance to Lens |
36:01 | |
| |
| Focal Length |
36:12 | |
| |
| Magnification |
37:21 | |
| |
Example: Converging Lens |
38:07 | |
| |
| Q=50 cm Real Image |
41:52 | |
| |
| Move Object 10 cm From the Lens |
42:30 | |
| |
| Diverging Lens |
45:20 | |
| |
Extra Example 1: Converging Lens |
9:57 | |
| |
Extra Example 2: Diverging Lens |
10:33 | |
| |
Extra Example 3: Two Thing Converging Lenses |
7:40 | |
| |
Extra Example 4: Diverging Lens Final Image |
6:58 | |
|
Interference of Light Waves |
1:27:02 |
| |
Intro |
0:00 | |
| |
| Condition for Interference |
0:24 | |
| |
| Two Light Sources S1, S2 |
0:49 | |
| |
| Source are Incoherent |
1:36 | |
| |
| Uniform Intensity on Screen |
6:10 | |
| |
| Source Should be Coherent |
6:31 | |
| |
| Source with Single Wavelength |
7:30 | |
| |
| Two Slits with One Source |
8:37 | |
| |
Young's Double Slit Experiment |
13:33 | |
| |
| Wave Front Looks Planer |
14:15 | |
| |
| Light Propagates Like Waves |
17:58 | |
| |
Constructive and Destructive Interference |
22:39 | |
| |
| Two Slits Separated by 'd' |
23:01 | |
| |
| Consider a Point at Center of Screen |
24:33 | |
| |
| Path Difference |
34:46 | |
| |
| Constructive Interference |
35:59 | |
| |
| Destructive Interference |
36:05 | |
| |
Example |
43:52 | |
| |
| Two Slits Separated |
44:09 | |
| |
| Screen is 2 ms Away |
44:30 | |
| |
| Second Order Maximum |
45:06 | |
| |
| First Maximum |
48:48 | |
| |
Extra Example 1: Double Slit Wavelength |
5:58 | |
| |
Extra Example 2: Two Radio Antennas |
15:32 | |
| |
Extra Example 3: Double Slit Thickness |
13:42 | |
|
Thin Film Interference |
1:04:58 |
| |
Intro |
0:00 | |
| |
Change of Phase Due to Reflection |
0:37 | |
| |
| Plane Mirror |
1:28 | |
| |
| Object Produces Virtual Image |
1:48 | |
| |
| Consider a Screen and Point |
2:04 | |
| |
| Path Difference |
3:40 | |
| |
| Constructive Interferences |
5:09 | |
| |
| Destructive Interference |
5:26 | |
| |
| Two Media N1, N2 |
15:25 | |
| |
| N2>N1 Changes in Phase 180 Degrees |
15:40 | |
| |
Thin Film Interference |
18:50 | |
| |
| Air and Film and Air Film of Thickness |
19:12 | |
| |
| Angle of Incident is Very Small |
19:40 | |
| |
| Two Waves are Destructive |
22:14 | |
| |
| Path Difference |
22:30 | |
| |
| If Delta=1, 2, 3 No Change in Phase |
27:44 | |
| |
| Destructive Interference |
29:12 | |
| |
| Constructive Interferences |
32:45 | |
| |
Example: Soap Bubbles |
33:34 | |
| |
| Air, Soap, Air |
33:55 | |
| |
| Thickness Results in Constructive Interference |
35:58 | |
| |
Example: Non-Reflective Coating For Solar Cells |
38:05 | |
| |
| Sending Light |
41:50 | |
| |
| Destructive Interference |
44:08 | |
| |
Extra Example 1: Spaced Plates Separation |
7:27 | |
| |
Extra Example 2: Oil Film |
7:29 | |
| |
Extra Example 3: Dark Bands |
| |
|
Diffraction |
1:18:22 |
| |
Intro |
0:00 | |
| |
Diffraction of Waves |
0:18 | |
| |
| Source of Sound Waves |
0:31 | |
| |
| Huygens' Principle |
1:14 | |
| |
Diffraction of Light from Narrow Slit |
10:57 | |
| |
| Light From a Distant Source |
11:48 | |
| |
| Pick Any Point |
13:55 | |
| |
| Source of Wave Front |
14:36 | |
| |
| Waves Traveling Parallel to Each Other |
15:27 | |
| |
| Franhofer Diffraction |
19:38 | |
| |
| Drawing Perpendicular |
20:12 | |
| |
| First Maximum |
23:12 | |
| |
| Every Wave Has Interference and Diffraction |
27:44 | |
| |
Width of Central Maximum |
32:49 | |
| |
| Width of Slit is 0.2 mm |
33:13 | |
| |
| Monochromatic Light |
33:40 | |
| |
| If Angle is << 1 |
36:39 | |
| |
| If W= 2cms |
41:15 | |
| |
Intensity of Diffraction Patterns |
44:21 | |
| |
| Plotting Intensity Versus Light |
44:59 | |
| |
Resolution |
45:35 | |
| |
| Considering Two Source |
45:55 | |
| |
| Two Objects Resolved |
46:41 | |
| |
| Rayleigh Principle |
47:44 | |
| |
Diffraction Grating |
51:18 | |
| |
| First Order Max |
58:00 | |
| |
| Intensity Shown in Figure |
58:21 | |
| |
Extra Example 1: Slit Diffraction |
5:50 | |
| |
Extra Example 2: Minima in Diffraction Pattern |
6:47 | |
| |
Extra Example 3: Diffraction Grating |
6:38 | |
Section 6: Modern Physics |
|
Dual Nature of Light |
1:19:02 |
| |
Intro |
0:00 | |
| |
Photoelectric Effect |
0:13 | |
| |
| Shine Light on Metal Surface |
2:39 | |
| |
| Another Metal Surface Both Enclosed and Connected to Battery |
3:02 | |
| |
| Connecting Ammeter to Read Current |
3:50 | |
| |
| Connecting a Variable Voltage |
4:20 | |
| |
| Negative Voltage Has Stopping Potential |
10:20 | |
| |
Features of Photoelectric Effect |
20:44 | |
| |
| Dependence on Intensity |
21:01 | |
| |
| Energy Carried By Wave Proportional to Intensity |
21:11 | |
| |
| Kinetic Energy |
23:21 | |
| |
| Dependence of Photoemission on Time |
23:40 | |
| |
| Dependence on Frequency |
26:54 | |
| |
| Measuring Maximum Kinetic Energy |
31:11 | |
| |
Einstein and the Photoelectric Effect |
31:21 | |
| |
| Stream of Quantum Particles |
33:00 | |
| |
| Dim Blue Light, Few Photons |
36:42 | |
| |
| Bright Red Light, Many Photons |
37:31 | |
| |
| Electron is Bound to Surface of Metal |
39:33 | |
| |
Example |
44:20 | |
| |
| Incident Light 200 nm |
45:20 | |
| |
Compton Scattering |
50:22 | |
| |
| Shooting X-Rays at Targets |
50:45 | |
| |
| Photons Colliding with Electrons |
55:48 | |
| |
| Compton Wavelength of Electron |
56:05 | |
| |
Example |
57:25 | |
| |
| Lambda=0.1nm |
57:30 | |
| |
Extra Example 1: Photoelectric Effect |
9:31 | |
| |
Extra Example 2: Different Frequency Radiation |
9:49 | |
|
Matter Waves |
1:30:10 |
| |
Intro |
0:00 | |
| |
| De Broglie Wavelength |
1:42 | |
| |
| Photon of light E=hf |
4:23 | |
| |
| For particles Lambda=hp |
12:20 | |
| |
| Davisson and Germer, Electron Diffraction |
14:06 | |
| |
| Double Slit, Instead of Light Shooting Electrons |
18:25 | |
| |
| Detecting Electrons on Fluorescent Screen |
18:55 | |
| |
| Bright Fringes |
21:37 | |
| |
Example |
26:03 | |
| |
| Electron Moves |
26:18 | |
| |
| Kinetic Energy of Electron |
32:20 | |
| |
| Wavelength of Baseball |
33:59 | |
| |
| Refraction Pattern |
40:00 | |
| |
Uncertainty Principle |
41:44 | |
| |
| Heisenberg Uncertainty Principle |
42:05 | |
| |
| Sending an Electron Through a Hole |
47:54 | |
| |
| In Y Direction the Position is Uncertain |
51:54 | |
| |
| Example |
57:00 | |
| |
| Speed of Electron |
57:09 | |
| |
| Position of Electron |
60:38 | |
| |
Extra Example 1: Kinetic Energy of Electrons |
13:23 | |
| |
Extra Example 2: Uncertainty Principle |
10:49 | |
| |
Extra Example 3: Wavelength of Electron and Photon |
5:10 | |
|
Hydrogen Atom |
1:25:50 |
| |
Intro |
0:00 | |
| |
Nuclear Model |
0:12 | |
| |
| J.J. Thomson Discovered Electrons |
1:40 | |
| |
| Rutherford Experiment |
2:52 | |
| |
| Example: Solar System |
13:39 | |
| |
| Planetary Model |
14:40 | |
| |
| Centripetal Acceleration |
16:48 | |
| |
Line Spectra |
18:48 | |
| |
| Low Pressure Gas Connecting to High Voltage |
19:37 | |
| |
| Group of Wavelength |
21:06 | |
| |
| Emission Spectra |
21:28 | |
| |
| Lyman |
22:38 | |
| |
| Balmer Series |
22:52 | |
| |
| Pascen Series |
23:04 | |
| |
Bohr's Model |
27:14 | |
| |
| Electron in Circular Orbit |
27:30 | |
| |
| Stationary Orbits |
28:34 | |
| |
| Radiation is Emitted When Electron Makes Transition |
29:37 | |
| |
| For Each Orbit Mass, Speed, Radius |
33:55 | |
| |
Quantized Energy of the Bohr Model |
35:58 | |
| |
| Electron in Circular Orbit |
36:24 | |
| |
| Total Energy |
45:18 | |
| |
Line Spectra Intercepted |
46:12 | |
| |
| Energy of Orbit |
46:30 | |
| |
| Balmer Series |
53:36 | |
| |
| Paschen Series |
53:56 | |
| |
Example |
54:57 | |
| |
| N=1 and N=2 |
55:01 | |
| |
Extra Example 1: Balmer Series for Hydrogen |
9:39 | |
| |
Extra Example 2: Minimum n for Hydrogen |
11:06 | |
| |
Extra Example 3: Energy to Transition Electron |
5:30 | |
|
Nuclear Physics |
1:30:30 |
| |
Intro |
0:00 | |
| |
| Nucleus |
0:33 | |
| |
| Positively Charged Particles |
0:53 | |
| |
| Z=Atomic Mass Number |
2:08 | |
| |
| Example of Carbon, 6 Protons and 6 Neutrons |
5:34 | |
| |
| Nucleus with 27 Protons |
10:48 | |
| |
Binding Energy |
18:56 | |
| |
| Intro |
19:10 | |
| |
| Helium Nucleus |
19:51 | |
| |
| Binding Energy |
24:28 | |
| |
Alpha Decay |
29:08 | |
| |
| Energy of Uranium |
38:04 | |
| |
Beta Decay |
43:03 | |
| |
| Nuclei Emits Negative Particles |
45:00 | |
| |
| Beta Particles are Electrons |
45:24 | |
| |
Gamma Decay |
57:01 | |
| |
| Gamma Ray is Photon of High Energy |
57:13 | |
| |
| Nucleus Emits a Photon |
59:02 | |
| |
Extra Example 1: Radium Alpha Decay |
9:34 | |
| |
Extra Example 2: Binding Energy of Iron |
7:19 | |
| |
Extra Example 3: Missing Particle |
13:35 | |