A thin film of oil (n = 1.28) is located on smooth, wet pavement. When viewed...

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Physics

A thin film of oil (n = 1.28) is located on smooth, wetpavement. When viewed from a direction perpendicular to thepavement, the film reflects most strongly red light at 640 nm andreflects no light at 427 nm. What is the minimum thickness of theoil film?
nm

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Refractive index of oil n 128 con 640 nm des 427 nm Solution For    See Answer
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