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 incidenceChoose the correct answer from the options given below :

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 :

Statements (B) and (C) are true

Only statements (A) and (B) are true

Statements (A), (B) and (C) are true

Only statement (D) is true

Solution

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