Array of light is incident at an angle of incidence ' i ' on one surface of a prism of small angle A and emerges normally from the other surface. If the refractive index of the material of t

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Array of light is incident at an angle of incidence ' i ' on one surface of a prism of small angle A and emerges normally from the other surface. If the refractive index of the material of the prism is ' μ ', then the angle of incidence is equal to

TestHub · Accepted Answer

Given: e = 0 ∴ r 2 ​ = 0 , A = r 1 ​ Since ' i ' is small, Snell's law of refraction can be modified to, ∴ ​ μ = r 1 ​ i ​ i = μ r 1 ​ = μ A ​

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