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15-03-2024
Physics

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In a Young’s double slit experiment, the fringe width is found to be 0.4mm. If the whole apparatus is immersed in water of refractive index (4/3), without disturbing the geometrical arrangement, the new fringe width will be -

A. 0.30mm
B. 0.40mm
C. 0.53 mm
D. 450 microns

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