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If V(c) is the speed of light in vacuum ...

If `V_(c)` is the speed of light in vacuum and `V_(m)` is the speed of light in given medium then the refractive index of medium is

A

`V_(m)// V_(e)`

B

`V_(c) // V_(m)`

C

` V_(m) xx V_(c)`

D

none of these

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The correct Answer is:
B
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