Two mirrors of the same length are arranges as ... - JAMB Physics 2020 Question
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 option: d
Angle of deviation = \(\theta_1 + \theta_2\) = 50 + 50 + 40 + 40
= 180\(^o\)
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