ch33-p052 - 52. (a) Snells law gives nair sin(50) = n2b sin...

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52. (a) Snell’s law gives n air sin(50º) = n 2 b sin θ 2 b and n air sin(50º) = n 2 r sin 2 r where we use subscripts b and r for the blue and red light rays. Using the common approximation for air’s index ( n air = 1.0) we find the two angles of refraction to be 30.176 ° and 30.507 ° . Therefore, = 0.33 ° . (b) Both of the refracted rays emerges from the other side with the same angle (50
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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