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For a parallel beam of monochromatic lig...

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

A

`(2Dlambda)/(a) `

B

`(Dlambda)/(a)`

C

`(Da)/(lambda)`

D

`(2Da)/(lambda)`

Text Solution

Verified by Experts

The width of the central maximum will be `(2Dlambda)/(4)`.
The option A is correct.
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