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If the distance between the screen and t...

If the distance between the screen and the sources is decreased by 25%, then the change in fringe width is

A

25% decrease

B

25% increase

C

75% increase

D

75% decrease

Text Solution

Verified by Experts

The correct Answer is:
A

`X=(lamdaD)/(d)`
If D is decreased by 25%, X is also decreased by 25%.
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