Lecture Topics
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Lecture Video: Dispersive Medium, Phase Velocity, Group Velocity
Sending a square pulse as a basic communication tool is the main focus of this lecture. Prof. Lee discusses the phenomenon of dispersion in a realistic medium and the strategy to describe this kind of physics situation.
Lecture Notes
Typed Notes for Lecture 13 (PDF - 1.1MB)
Handwritten Notes for Lecture 13 (PDF - 1.9MB)
Textbook Reading
Chapter 8: Traveling Waves (PDF - 1.4MB) (section 8.3 to end)
Chapter 9: The Boundary at Infinity (PDF - 1.3MB) (through section 9.2)
Problem Set
Problem Solving Help Video*
Accelerated Charges Radiating Electromagnetic Waves
In-class Demonstrations
| SEE IT IN THE LECTURE |
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| Bell Labs Wave Machine |
* Note: This Problem Solving Help video was originally produced as part of a physics course that is no longer available on OCW.
