The angle of deviation through a prism is minimum when

JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -5 Single Correct MCQ

Published on: August 12, 2026

Incident ray and emergent ray are symmetric to the prism Statements , and

The refracted ray inside the prism becomes parallel to its base and Only statement are true and

Angle of incidence is equal to that of the angle of emergence are true Only statements are true

When angle of emergence is double the angle of incidence Choose the correct answer from the options given below: is true Statements

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The correct answer is:

Deviation is minimum in a prism when: and ray is parallel to base of prism.

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