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Consider fraunhoffer diffraction pattern...

Consider fraunhoffer diffraction pattern obtained with a single slit illuminated at normal indicent. At the angular position of the first diffraction minimum the phase different between the wavelets from the opposite edge of the slits is

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`2pi`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
B
At the angular position of first minimum waveles from opposite edges of the slits have a path difference of `lambda` and a phase difference of `2pi` radian.
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