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 t:l p.vn dojq8bt:l nqqrp3/47ravel different paths arrsa uhia)+1b 2w/(1onw ysml:uiving at point P. If the maximum destructive interference)bsay mo:ul+a1ih(ws2n1 w/u 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:
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