A ray of light travelling in the direction `1/2 (hati+sqrt(3)hatj)` is incident on
Channel: Doubtnut
Date: 2020-05-17

A ray of light travelling in the direction `1/2 (hati+sqrt(3)hatj)` is incident on a plane mirror. After reflectiion, it travels along the direction `1/2(hati+sqrt(3)hatj)`. The angle of incidence  is