question_answer

A plane mirror makes an angle of \[30{}^\circ \] with horizontal. If a vertical ray strikes the mirror, find the angle between mirror and reflected ray                                               [RPET 1997]

A)            \[30{}^\circ \]                      

B)            \[45{}^\circ \]

C)            \[60{}^\circ \]                      

D)            \[90{}^\circ \]

Correct Answer: C

Solution :