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The refractive index of a certain glass ...

The refractive index of a certain glass is 1.5 for light whose wavelength in vacuum is 6000 Å. The wavelength of this light when it passes through glass is

A

` 3000 Å`

B

`4000Å`

C

`5000Å`

D

`6500Å`

Text Solution

Verified by Experts

The correct Answer is:
B
`n=(lambda_a)/(lambda_m) :. lambda _m=(6000)/( 1.5)=4000 Å`
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