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In Young'double-slit interference experi...

In Young'double-slit interference experiment, if the slit separation is made threefold, the fringe width becomes

A

6 fold

B

3 fold

C

3/6 fold

D

1/3 fold

Text Solution

Verified by Experts

The correct Answer is:
D
`beta=(lambdaD)/d`
If d is increased to 3d `beta` becomes `beta//3`
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