The angle of deviation through a prism is minimum when (A) Incident ray and emergent ray are symmetric to the prism (B) The refracted ray inside the prism becomes parallel to its base (C) Angle of inc

Question

The angle of deviation through a prism is minimum when

(A) Incident ray and emergent ray are symmetric to the prism

(B) The refracted ray inside the prism becomes parallel to its base

(C) Angle of incidence is equal to that of the angle of emergence

(D) When angle of emergence is double the angle of incidence

Choose the correct answer from the options given below :

TestHub · Accepted Answer

As per the figure given in question, we are considering it an Isosceles Prism. Deviation is minimum in a prism when : i = e , r 1 = r 2 and ray 2 is parallel to base of prism.

Physics - Geometrical Optics Question with Solution | TestHub

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