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The refractive indices of the material of the prism and liquid are 1.56 and 1.32 respectively. What will be the value of 0 for the following refraction?

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a
sinθ≥1311
b
sinθ≥1113
c
sinθ≥32
d
sinθ≥12

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detailed solution

Correct option is B

For total internal reflection from surface.BCθ≥C⇒sinθ≥sinC⇒θ≥1 lμg⇒sinθ≥μLiquidμPrismsinθ≥1.321.56⇒sinθ≥1113


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ABC is an isosceles right angled triangle with the angle BAC 90o. A ray of light parallel to the base BC strikes the face AB.  The refracted ray in the prism strikes the base BC. If the refractive index of the material of the prism is 2, find the total angle of deviation of the final emergent ray


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