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Light waves of wave length lambda propag...

Light waves of wave length `lambda` propagate in a medium. If M and N are two points on the wave front and they are separated by a distance `lambda//4`, the phase difference between them will be (in radian)

A

`pi//2`

B

`pi//8`

C

`pi//4`

D

Zero

Text Solution

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The correct Answer is:
A
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