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【单选题】
在杨氏双缝干涉实验中,为使屏上的干涉条纹间距变小,可以采取的办法是:A.
使屏靠近双缝
B.
使两缝的间距变小
C.
把每个缝的宽度稍微调窄
D.
改用波长较长的单色光源
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皮皮学刷刷变学霸
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B.
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C.
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D.
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