• 2022-06-05
    如图所示,平行单色光垂直照射到薄膜上,经上下两表面反射的两束光发生干涉,若薄膜的厚度为e,并且[img=100x19]1803d3a695e1c44.png[/img],[img=17x22]1803d3a69de6f31.png[/img]为入射光在折射率为n1的媒质中的波长,则两束反射光在相遇点的相位差为[img=150x115]1803d3a6a625b7c.png[/img]
    A: [img=102x25]1803d3a6ae23d23.png[/img]
    B: [img=144x25]1803d3a6b80a687.png[/img]
    C: [img=144x25]1803d3a6c0227a3.png[/img]
    D: [img=102x25]1803d3a6c8e1d41.png[/img]
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