Q. If the angle of prism is $60{^\circ}$ and the angle of minimum deviation is $40{^\circ}$, the angle of refraction will be
A) $30{^\circ}$
B) $60{^\circ}$
C) $100{^\circ}$
D) $120{^\circ}$
Explanation
(a) In minimum deviation condition $r = \frac{A}{2} = \frac{60}{2} = 30{^\circ}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.