A ray of light is incident at an angle of incidence, i , on one face of a prism of angle A (assumed to be small) and emerges normally from the opposite face. If the refractive index of the prism is , the angle of incidence i , is nearly equ

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A ray of light is incident at an angle of incidence, i , on one face of a prism of angle A (assumed to be small) and emerges normally from the opposite face. If the refractive index of the prism is , the angle of incidence i , is nearly equal to

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Correct answer: A. A

Refractive index gathered = i r = i A gathered In case of small angle. aligned & = i A i & = A aligned

A ray of light is incident at an angle of incidence, i , on one face of a prism of angle A (assumed to be small) and emerges normally from the opposite face. If the refractive index of the prism is , the angle of incidence i , is nearly equal to

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