The speed of light in air is 3 xx 10^(8)...

The speed of light in air is `3 xx 10^(8)` m/s. The velocity of light in the medium of refractive index 1.5 will be

A

`1.5 xx 10^(8)` m/s

B

`2 xx 10^(8)` m/s

C

`1 xx 10^(8)` m/s

D

`2.5 xx 10^(8)` m/s

Verified by Experts

The correct Answer is:

B

The velocity of light in any medium
`= ("Velocity of light in air")/("Refractive index of medium") = (3 xx 10^(8))/(1.5)`
`= 2 xx 10^(8) m//s`

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