A sheet of glass having an index of refraction of 1.40 is to be coated with a

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A sheet of glass having an index of refraction of 1.40 is to be coated with a film of material having an index of refraction of 1.55 in order that green light with a wavelength of 525nm (in air) will be preferentially transmitted via constructive interference.
(a) What is the minimum thickness of the film that will achieve the result?
(b) Why are other parts of the visible spectrum not also preferentially transmitted?
(c) Will the transmission of any colors be sharply reduced? If so, which colors?
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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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