本题目来源于试卷: Physics Unit24: Wave Nature of Light，类别为 国际高中通用物理
[单选题]
When a beam of light, w4x8u;o u-mat6j- dab bhich is trs+ h;/slmor )raveling in glass, strikes an air boundary, ther;o s)rl+m hrs/e is
A. a $90^{\circ}$ phase change in the reflected beam.
B. no phase change in the reflected beam.
C. a $180^{\circ}$ phase change in the reflected beam.
D. a $45^{\circ}$ phase change in the reflected beam.
参考答案: B
本题详细解析:
暂无
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