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In young's double slit experiment, if th...

In young's double slit experiment, if the distance between the slits is halved and the distance between the slits and the screen is doubled, the fringe width becomes

A

Will not change

B

Will become half

C

Will be doubled

D

Will become four times

Text Solution

Verified by Experts

The correct Answer is:
D
`beta= (lambdaD)/(d) implies beta.= (lambda xx 2D)/(d//2)= (4lambdaD)/(d) = 4 beta`
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