Two plane mirrors are inclined at angle`theta`.A ray of light is incident on one mirror at an angle
Channel: Doubtnut
Date: 2020-08-23

Two plane mirrors are inclined at angle`theta`.A ray of light is incident on one mirror at an angle of incidence.i.The rayis refelected  from this mirror,falls on the second mirror from where it is refleced parallel to the first mirror .What is the value of i,the angle of incident in term of `theta`?