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Light travels through a glass plate of t...

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

A

`(t)/("nc")`

B

tnc

C

`("nt")/("c")`

D

`("tc")/(n)`

Text Solution

Verified by Experts

The correct Answer is:
C
Speed of light in glass plate = `(c )/(n)`
Time = `("Distance")/("Speed") = (tn)/(c )`.
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