Snell’s Law, Total Internal Reflection, Brewster’s Angle, Dispersion, Lenses
Physics 102: Lecture 18. Snell’s Law, Total Internal Reflection, Brewster’s Angle, Dispersion, Lenses. Snell’s Law: A Quick Review. When light travels from one medium to another the speed changes v=c/n, but the frequency is constant. So the light bends:. n 1 sin( q 1 )= n 2 sin( q 2 ).
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