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Find the thickness of a plate which will...

Find the thickness of a plate which will produce a change in optical path equal to half the wavelength `lambda` of the light passing through it normally. The refractive index of the plate is `mu`.

A

`(lambda)/(4(mu - 1))`

B

`(2 lambda)/(mu - 1)`

C

`(lambda)/(mu - 1)`

D

`(lambda)/(2(mu - 1))`

Text Solution

Verified by Experts

The correct Answer is:
D
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