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Fraunhoffer diffraction pattern of a sin...

Fraunhoffer diffraction pattern of a single slit is obtained in the focal plane of lens of focal length `1m`. If third minimum is formed at a distance of 5mm from the central maximum and wavelength of light used is `5000Å`, then width of the slit will be –

A

`0.02 cm`

B

`0.03cm`

C

`0.04cm`

D

`1cm`

Text Solution

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The correct Answer is:
B
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