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A light wave in air enters a medium of r...

A light wave in air enters a medium of refractive index `(4)/(3)`. If the wavelength of light in air is `6000Å`, then the wave number of light in the medium is

A

`1.1 xx 10^6`

B

`4.4 xx 10^6`

C

`2.2 xx10^6`

D

`6 xx10^6`

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The correct Answer is:
C
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