• 2022-07-26
    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]1803a91c85936c1.png[/img],[img=17x22]1803a91c8cee767.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]1803a91c9485133.png[/img]
    A: [img=102x25]1803a91c9cd630e.png[/img]
    B: [img=144x25]1803a91ca648320.png[/img]
    C: [img=144x25]1803a91cae20312.png[/img]
    D: [img=102x25]1803a91cb65c417.png[/img]
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