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Question: Answered & Verified by Expert
Minimum deviation is observed with a prism having angle of prism $A$, angle of deviation $\delta$, angle of incidence $i$ and angle of emergence $e$. We then have generally
PhysicsRay OpticsJEE Main
Options:
  • A $i \gt e$
  • B $\underset{\sim}{i \lt e}$
  • C $i=e$
  • D $i=e=\delta$
Solution:
2438 Upvotes Verified Answer
The correct answer is: $i=e$
In minimum deviation condition $\angle i=\angle e, \angle r_1=\angle r_2$

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