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In Young's double slit experiment, the f...

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`, without disturbing the geometrical arrangement, the new fringe width will be:

A

0.30 mm

B

0.40 mm

C

0.53 mm

D

0.2 mm

Text Solution

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`beta.=beta/mu`
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