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Light is incident normally on face AB of...

Light is incident normally on face AB of a prism as shown in Figure. A liquid of refractive index `mu` is placed on face AC of the prism. The prism is made of glass of refractive indes `3//2` . Find the limits of `mu` for which total internal reflection takes place on the face AC.
(A)`mu gt (sqrt(3))/(2)` (B)`(3 sqrt(3))/(4) gt mu ` (C)`mu gt sqrt(3)` (D)`mu lt (sqrt(3))/(2)`

A

`mult(3sqrt(3))/4`

B

`mugtsqrt(5/2)`

C

`mu gt sqrt2`

D

`mu lt sqrt3`

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The correct Answer is:
A
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