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Let S(1) and S(2) be the two slits in Yo...

Let `S_(1)` and `S_(2)` be the two slits in Young's double-slit experiment. If central maxima is observed at P and angle `angle S_(1)PS_(2) = theta`, then the fringe width for the light of wavelength `lambda` will be (assume `theta` to be a small angle)

A

`lambda//theta `

B

`lambdatheta `

C

`2lambda//theta`

D

`lambda//2theta `

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A
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