Two mirrors of the same length are arranged as shown above, ...
Two mirrors of the same length are arranged as shown above, a ray of light NO strikes the system at O and emerges along PQ. The emergent ray has been deviated through
A.
220 degrees
B.
200 degrees
C.
210 degrees
D.
180 degrees
E.
230 degrees
Correct answer is D
No explanation has been provided for this answer.