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A ray of light travelling in a transpare...

A ray of light travelling in a transparent medium of refractive index `mu` falls, on a surface separating the medium from air at an angle of incidence of `45^(@).` for which of the following value of `mu` the ray can undergo total internal reflection ?

A

`mu=1.25`

B

`mu=1.33`

C

`mu=1.40`

D

`mu=1.50`

Text Solution

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The correct Answer is:
D
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