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Two vertical plane mirrors are inclined at an angle of 60° with each other. A ray of light travelling horizontally is reflected first from one mirror and then from the other. The resultant deviation is
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a
60°
b
120°
c
180°
d
240°
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Correct option is D
δ=(360−2θ)=(360−2×60)=240∘Similar Questions
A ray of light incidents on a plane mirror at an angle of 30°. The deviation produced in the ray is
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