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]
A ray of light, which-osf*6he 5-ov( wvhb 7ezam-a is tra(c7;;+k .ogvr zyr1 eunh7brf4 5bn oxveling in air, is incident on a glass plate at a $45^{\circ}$ angle. The angle of refraction in the glass
A. is less than $45^{\circ}$.
B. is greater than $45^{\circ}$.
C. is equal to $45^{\circ}$.
D. could be any of the above; it all depends on the index of refraction of glass.
参考答案: A
本题详细解析:
暂无
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