Fermat's Principle and Huygen's Principle
- Author
- Peter Beyersdorf
- Published
- Fri 01 Feb 2008
- Episode Link
- http://www.sjsu.edu/faculty/beyersdorf/Phys158/1-31%20Fermat%27s%20principle.m4a
We Introduce Huygen's principle and Fermat's principle and use them to derive Snell's law and the law of reflection.
