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You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic(n = 1.61). Light whose wavelength is 574 nm in vacuum is incident nearly perpendicularly on the coated glass and reflects into your eyes. The layer of plastic looks dark. Find the smallest possible nonzero value for the thickness of the layer.

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Category:- Physics
Reference No.:- M9880295

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