Categories: Physics JAMB

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. 220o
B. 200o
C. 210o
D. 180o

Correct Answer:

Option D = 180o

Explanation

Deviation angle

= θ1+θ2 = 50 + 50 + 40 + 40

= 180o

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4 years ago

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