• 2022-06-05
    波长为l的单色光垂直照射如图所示的透明薄膜。膜厚度为e,则两束反射光的光程差d =____________。[img=192x101]18030ca57bb281f.png[/img]
    A: 2.60e
    B: 3.0e
    C: [img=73x44]18030ca5843786c.png[/img]
    D: [img=64x44]18030ca58caf443.png[/img]