A ray of light is incident normally on face AB of a prism as shown in the figure. A liquid of refractive index is placed on the face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of for which total internal reflection takes place on face AC is |
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(a) |
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(b) |
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(c) |
(d) |
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A ray of light is incident normally on face AB of a prism as shown in the figure. A liquid of refractive index is placed on the face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of for which total internal reflection takes place on face AC is |
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(a) |
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(b) |
< |
(c) |
(d) |
< |