NEET Physics Prism Assertion Reason Question
Assertion (A): The angle of minimum deviation for a prism occurs when the angle of incidence is equal to the angle of emergence.
Reason (R): At minimum deviation, the light ray passes symmetrically through the prism.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true but (R) is false.
(A) is false but (R) is true.
Correct Answer
Detailed Explanation
The angle of minimum deviation occurs when the light passes symmetrically through the prism, making the angles of incidence and emergence equal, as stated in the NCERT context.
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