本题目来源于试卷: Physics Unit23: Light and Geometric Optics，类别为 通用国际物理
[单选题]
An oil layer that is 5.0 cm thick i0e g:g0*f *jenqe 2kjws r4e(:v9 odnhb9a. d ylspread smoothly and evenly over the surface9r:n de 9(vbd.oa lyh4 of water on a windless day. What is the angle of refraction in the water for a ray of light that has an angle of incidence of $45^{\circ}$ as it enters the oil from the air above? (The index of refraction for oil is 1.15, and for water it is 1.33.)
A. $27^{\circ}$
B. $32^{\circ}$
C. $36^{\circ}$
D. $39^{\circ}$
参考答案: B
本题详细解析:
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