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Light travels through a glass plate of t...

Light travels through a glass plate of thickness t and refractive index `mu.` If c is the speed of light in vacuum, the time taken by light to travel this thickness of glass is

A

`t mu c`

B

`(tc)/(mu)`

C

`t/(mu c)`

D

`(t mu)/c`

Text Solution

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The correct Answer is:
D
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