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In Young's double slit experiment, the fringe width is found to be 0.4 mm. If the whole apparatus is immersed in water of refractive index 4/3, the…

CUET UG 2023Physics Optics

2023mcqhard

In Young's double slit experiment, the fringe width is found to be 0.4 mm. If the whole apparatus is immersed in water of refractive index 4/3, the new fringe width will be:

Official previous-year question

Verified 30 May 2026.

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