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]
Two beams of coherent ld ucnqlytub93b i,)6mx ,l*6g6+ ukg52 vk5zukqzt c,dkt;0wight travel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the two5 2 0zkz; wc+qtvgd6t kk,k5uu beams must
A. travel paths that differ by a whole number of wavelengths.
B. travel paths that differ by an odd number of half-wavelengths.
C. travel paths that differ by a whole number of quarter-wavelengths.
D. can not be determined.
参考答案: B
本题详细解析:
暂无
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