1.

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.            \[90{}^\circ \]
Answer» D.            \[90{}^\circ \]


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