How many fringe shifts occur in the pattern

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A thin sheet of transparent material has an index of refraction of 1.40 and is 15.0 mm thick. When it is inserted in the light path along one arm of an interferometer, how many fringe shifts occur in the pattern? Assume the wavelength (in a vacuum) of the light used is 600 nm. Hint: The wavelength will change within the material.

Reference no: EM13275973

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