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 light travel di1. s8 jr)ztpnifferent paths arriving at point P c41ky)wvh0n p. If the maximum dest41)wn ych0pv kructive interference is to occur at point P, the two 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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