At a particular minimum value of angle of deviation, the refracted ray becomes

At a particular minimum value of angle of deviation, the refracted ray becomes

Q. At a particular minimum value of angle of deviation, the refracted ray becomes :

A.            Parallel to base of prism

B.            Perpendicular to base of prism

C.            Inclined at 45degrees w.r.t base of prism

D.            None

Answer: Parallel to base of prism

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