11_Ch 22 College Physics ProblemCH22 Reflection and Refraction of Light

11_Ch 22 College Physics ProblemCH22 Reflection and Refraction of Light

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Reflection and Refraction of Light 243 22.16 The angle of incidence is 1 1 2.00 m tan 26.6 4.00 m θ  ==   ° Therefore, Snell’s law gives () 1 11 2 2 1 sin sin 1.333 sin26.6 sin 1.00 n n = ° 36.6 ° and the angle the refracted ray makes with the surface is 2 90.0 90.0 36.6 53.4 φθ −° = ° 22.17 The incident light reaches the left-hand mirror at distance ( ) 1.00 m tan5.00 0.087 5 m °= ( above its bottom edge. The reflected light first reaches the right-hand mirror at height ) 2 0.087 5 m
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