question_answer

Two plane mirrors MN and NO are kept at right angle to each other as shown in the given figure. A ray of light CD is incident on the mirror MN and the angle of incidence is\[{{50}^{o}}\]. What will be the angle of reflection for the mirror NO.

A) \[{{50}^{o}}\]                        

B) \[{{60}^{o}}\]

C) \[{{30}^{o}}\]                        

D) \[{{40}^{o}}\]

E) None of these