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Light of a certain wavelength has a wave...

Light of a certain wavelength has a wave number `barv` in vacum. Its wave number in a medium of refractive index n is

A

`(n)/(v)`

B

`(1)/(nvecn)`

C

`(vecv)/(n)`

D

`n vecv`

Text Solution

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`(d) nvecv`
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