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8_Ch 22 College Physics ProblemCH22 Reflection and Refraction of Light

# 8_Ch 22 College Physics ProblemCH22 Reflection and Refraction of Light

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240 CHAPTER 22 22.6 (a) From geometry, 1.25 m sin 40.0 d = ° , so 1.94 m d = (b) 5 , or parallel to the incident ray 0.0 above horizontal ° 22.7 1 1 2 sin sin n n 2 θ θ = 1 sin 1.333 sin 4 5.0 θ = ° 7) 1 sin (1.333)(0.70 0.943 θ = = 1 70.5 θ = ° → 19.5 ab ° ove the horizontal 22.8 The speed of light in water is water water c v n = , and in Lucite ® Lucite Lucite c n = v . Thus, the total time required to transverse the double layer is 1 water Lucite water water Lucite Lucite water Lucite d d d n d n t v

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8_Ch 22 College Physics ProblemCH22 Reflection and Refraction of Light

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