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A ray of light passes through a glass sl...

A ray of light passes through a glass slab of thickness t and refractive index `mu` . If the speed of light in air be 'c', the time taken by the ray to cross through the plate is _______

Text Solution

Verified by Experts

From the figure distance travelled by the fight
Velocity of light in glass = (distance traveled)/time
`(c )/(mu) =( t)/(time) , time = (mut)/( c)`
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