本题目来源于试卷: Physics Unit24: Wave Nature of Light,类别为 通用国际物理
[单选题]
When a beam of light, which is traveling ini1 dlfr8imrl(;zh lj( :l.l j/ glass, stz ;+2g nhp0g;;f:ibetyuxrk)rikes an air boundary, there ispgri)ut2fz;be n x;kg+yh :0;
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:
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