Light of wavelength 500 nm is incident normally on a film of water 104 cm thick. The

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Light of wavelength 500 nm is incident normally on a film of water 10–4 cm thick. The index of refraction of water is 1.33.

(a) What is the wavelength of the light in the water?

(b) How many wavelengths are contained in the distance 2t, where t is the thickness of the film?

(c) What is the phase difference between the wave reflected from the top of the air–water interface and the one reflected from the bottom of the water–air interface after it has traveled this distance?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

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Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Nov 29, 2011 11:46 AM

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Light of wavelength 500 nm is incident normally on a film of water 104 cm thick. The

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Fundamentals of Ethics for Scientists and Engineers

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