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如图2.3-2所示,用波长为A的的答案

如图2.3-2所示,用波长为A的单色光照S(A)(B)缝干涉实验装置,若将一折射率为n的透明尖b插入光线2中,则当劈尖b缓慢地向上移动时(只遮住S2缝),屏C上干涉条纹的情况是()。

单选题
2021-12-31 06:02
A、间隔变大,向下移动
B、间隔变小,向上移动
C、间隔不变,向下移动
D、间隔不变,向上移动
查看答案

正确答案
C

试题解析

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