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]
The index of refractiog. +(dvftf q,rbl za1.h1so(xxkm f94 n 33ss mr /,bry6qmqe;i;)erx qof diamond is $2.42$. This means that a given frequency of light travels
A. 2.42 times faster in air than it does in diamond.
B. 2.42 times faster in diamond than it does in air.
C. 2.42 times faster in vacuum than it does in diamond.
D. 2.42 times faster in diamond than it does in vacuum.
参考答案: C
本题详细解析:
暂无
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