Two plane mirrors are inclined to each other at some angle. A ray of l – McqOptions

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1.	Two plane mirrors are inclined to each other at some angle. A ray of light incident at \[30{}^\circ \] on one, after reflection from the other retraces its path. The angle between the, mirrors is
A.	\[30{}^\circ \]
B.	\[45{}^\circ \]
C.	\[60{}^\circ \]
D.	\[90{}^\circ \]
Answer» B. \[45{}^\circ \]

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