Mayslife6001 Mayslife6001

23-01-2024
Physics

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Interference fringes are produced using white light in a Young's double slit experiment. When a uniform transparent sheet of R.I. 1.6 is placed in front of one of the slits, the central fringes are shifted by a distance equal to the width of 30 fringes with light of wavelength 2 = 4800 A. The thickness of the mica sheet in micrometres is___

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