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A glass plate 1.2 xx 10^(-6)m thick is p...

A glass plate `1.2 xx 10^(-6)m` thick is placed in the path of one of the interfering beams in a biprism arrangement using monochromatic light of wavelength `6000Å. If the central band shifts by a distance equal to the width of the bands, find the refractive index of glass.

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[1.5]
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PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Unsolved Numerical Problems
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