A thin film of ethyl alcohol (n = 1.36) spread on a flat glass plate and illuminated

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A thin film of ethyl alcohol (n = 1.36) spread on a flat glass plate and illuminated with white light shows a color pattern in reflection. If a region of the film reflects only green light (500 nm) strongly, how thick is it?

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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