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If c is velocity of light in free space,...

If c is velocity of light in free space, the time taken by the light to travel a distance x in a medium of refractive index `mu` is given by

A

`mu xc`

B

`(mu x)/c`

C

`(mu c)/x`

D

`x/mu`

Text Solution

Verified by Experts

The correct Answer is:
B
The time taken by the light to travel is,
`t=x/v=x/(c/mu)= (mu x)/c`
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