Two mirrors of the same length are arranges as show in the diagram. A ray of light NO strikes the system at O and emerges along PQ. The emergent ray has been deviated through
A.
220\(^o\)
B.
200\(^o\)
C.
210\(^o\)
D.
180\(^o\)
Correct answer is D
No explanation has been provided for this answer.