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Light of wavelength lamda is incident on...

Light of wavelength `lamda` is incident on a slit width d. The resulting diffraction pattern is observed on a screen at a distance D. The linear width of the principal maximum is then equal to the width of the slit if D equals

A

`(d^(2))/(2lambda)`

B

`(2d^(2))/(2lambda)`

C

`(d)/(lambda)`

D

`(2lambda)/(d)`

Text Solution

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The correct Answer is:
A

`(d^(2))/(2lambda)`
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