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In the figure shown , for an angle of in...

In the figure shown , for an angle of incidence `45^(@)`, at the top surface , what is the minimum refractive index needed for the internal reflection at vertical face ?

A

`sqrt((3)/(2))`

B

`sqrt((2)/(3))`

C

`sqrt((5)/(2))`

D

None of these

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A
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AAKASH INSTITUTE-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - A) Objective Type Questions (One option is correct)
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  14. A ray of light is incident on one of the faces of the angle prism with...

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  15. A prism of refractive index sqrt(2) has a refracting angle of 60^(@). ...

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  16. The least angle of deviation for a glass prism is equal to its refract...

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