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For a parallel beam of monochromatic lig...

For a parallel beam of monochromatic light of wavelength `'lambda'` differaction is produced by a single slit whose width `'a'` is of the order as wavelength of the light. If `'D'` is the distance of the screen from the slit, the width of the central maxima will be

A

`(2Da)/(lambda)`

B

`(2D lambda)/a`

C

`(D lambda)/a`

D

`(D a)/(lambda)`

Text Solution

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The correct Answer is:
B
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