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Light of wavelength lambda in air enters...

Light of wavelength `lambda` in air enters a medium of refractive index `mu`. Two points in this medium, lying along the path of this light, are at a distance of x apartThe phase difference between these point is

A

`mu((2pi)/lambda)x`

B

`1/mu((2pi)/lambda)x`

C

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

D

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

Text Solution

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The correct Answer is:
A
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