lecture 26 - Huygen, TIR

# lecture 26 - Huygen, TIR - Announcements Prayer...

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Announcements 3/7/11 Prayer Exam 2 going on… Please turn your slinky in on Wednesday.

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Reading Quiz What is a “wave front”? a. The crest of the wave, repeated every  λ b. The complex phase of a wave c. The first part of the wave to reach an object d. The reflection of a wave off of a surface e. The students at the football game who start the  wave
Credit: next several slides from Dr. Durfee Law of reflection illustrated

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Law of reflection illustrated
Law of reflection illustrated

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Law of reflection illustrated
Law of reflection illustrated

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Law of reflection illustrated
Snell’s Law illustrated

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Snell’s Law illustrated
Snell’s Law illustrated

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Reading Quiz What do we call the phenomena which  makes fiber optics possible? a. Brewster’s Law b. Equivalence Theorem c. Fermat’s Principle d. Superluminal Energy Transport e. Total Internal Reflection
Demo Stokes computer demo: http://stokes.byu.edu/refract_script_flash.html

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Total Internal Reflection TIR: the equation
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lecture 26 - Huygen, TIR - Announcements Prayer...

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