A curved piece of glass with a radius of curvature R rests on a flat plate of

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A curved piece of glass with a radius of curvature R rests on a flat plate of glass. Light of wavelength λ is incident normally on this system. Considering only interference between waves reflected from the curved (lower) surface of glass and the top surface of the plate, show that the radius of the nth dark ring is

rn = √nλR - n2λ2/4

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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