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Question: Answered & Verified by Expert
A prism has a refracting angle of $60^{\circ} .$ When placed in the position of minimum deviation, it produces a deviation of $30^{\circ} .$ The angle of incidence is
PhysicsRay OpticsVITEEEVITEEE 2017
Options:
  • A $30^{\circ}$
  • B $45^{\circ}$
  • C $15^{\circ}$
  • D $60^{\circ}$
Solution:
1614 Upvotes Verified Answer
The correct answer is: $45^{\circ}$
$i=\frac{A+\delta_{m}}{2}=\frac{60+30}{2}=45^{\circ}$

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