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Consider Fraunhoffer diffraction pattern...

Consider Fraunhoffer diffraction pattern obtained with a single slit illuminated at normal incidence. At the angular position of the first diffraction minimum the phase difference (in radians) between the wavelets from the opposite edges of the slit is

A

(a)`pi`

B

(b)`2pi`

C

(c)`pi/4`

D

(d)`pi/2`

Text Solution

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The correct Answer is:
B
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