A ray is reflected in turn by three plain mirrors mutually at right an – McqOptions

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1.	A ray is reflected in turn by three plain mirrors mutually at right angles to each other. The angle between the incident and the reflected rays is [Roorkee 1995]
A.	\[90{}^\circ \]
B.	\[60{}^\circ \]
C.	\[180{}^\circ \]
D.	None of these
Answer» D. None of these

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