In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations δ m and angle of refraction r will be correct

Question

In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations δ m ​ and angle of refraction r will be correct, δ m ​ = r, S m ​ = 1.5 r, S m ​ = 2 r, δ m ​ = 2 r ​

MARKS App · Accepted Answer

S m ​ = ( μ − 1 ) ( 2 r ) = ( 1.5 − 1 ) 2 r = 0.5 × 2 r = r

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