本题目来源于试卷: Reflection and Refraction,类别为 美国物理杯赛(Physics Bowl)
[单选题]
95.31: A beam of light sswv0zmq8 a (2passes f w) ydw(zcq p;h d1x:6erom medium 1 to medium 2 to medium 3 as shown in the acco wxy6d z dc1weh p(;)q:mpanying figure. What is true about the respective indices of refraction (n1, n2, and n3)?

A. n1 > n2 > n3
B. n1 > n3 > n2
C. n2 > n3 > n1
D. n2 > n1 > n3
E. n3 > n1 > n2
参考答案: D
本题详细解析:
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