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Light is incident normally on face AB of a prism as shown. A liquid of refractive index μ is placed on face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of μ for which total internal reflection takes place on face AC is

a
μ>34
b
μ<334
c
μ>3
d
μ<32

detailed solution

Correct option is B

32sin ⁡60∘≥μsin ⁡90∘μ≤32,32μ≤334

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