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If angle of incidence is twice the angl...

If angle of incidence is twice the angle of refraction in a medium of refractive index `mu` , then angle of incidence is

A

`Cos^(-1)(mu/2)`

B

`Sin^(-1)(mu/2)`

C

`2Sin^(-1)(mu/2)`

D

`2Cos^(-1)(mu/2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`mu=(Sini)/(Sinr),r=i/2`
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