Two coherent sources are 0.15 mm apart and fringes are observed 1 m away with monochromatic light of wavelength 6000Aº. Find (a) The fringe width in air. (b) The fringe width in a liquid of refractive index 5/2.

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Two coherent sources are 0.15 mm apart and fringes
are observed 1 m away with monochromatic light of
wavelength 6000A". Find (a) The fringe width in air.
(b) The fringe width in a liquid of refractive index 5/2.
Transcribed Image Text:Two coherent sources are 0.15 mm apart and fringes are observed 1 m away with monochromatic light of wavelength 6000A". Find (a) The fringe width in air. (b) The fringe width in a liquid of refractive index 5/2.
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