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Light of wavelength lambda(0) in air ent...

Light of wavelength `lambda_(0)` in air enters a medium of refractive index n. If two points A and B in this medium lie along the path of this light at a distance x, then phase difference `phi_(0)` between these two points is:

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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