Q 12-09-118JEE MainJEE Main 2023 (11 Apr, Shift 2)Easy
When one light ray is reflected from a plane mirror with $30^\circ$ angle of reflection, the angle of deviation of the ray after reflection is
Answer: (A) $120^\circ$
Deviation $=180^\circ-2i=180^\circ-60^\circ=120^\circ$.
Solution by Sreeraj P, M.Sc Physics