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Author Question: A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on ... (Read 289 times)

vicotolentino

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Question 1

A soap bubble (n = 1.35) is floating in air. If the thickness of the bubble wall is 115 nm, what visible light wavelength is most strongly reflected?


Question 2

A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on the film, an observer finds that the reflected light has a brightness maximum at λ = 450 nm and a brightness minimum at λ = 600 nm. What is the thickness of the oil film?


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Marked as best answer by vicotolentino on Aug 10, 2020

Yixagurpuldink

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