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The velocity of light in vacuum is 3 xx ...

The velocity of light in vacuum is `3 xx 10^8 m//s`. Therefore the velocity of light in m/s in a medium of R.I. 1.25 is

A

`3.75 xx 10^8`

B

`4.25 xx 10^8`

C

`1.75 xx 10^8`

D

`2.4 xx 10^8`

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The correct Answer is:
D
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