Two plane mirrors are inclined to each other such that a ray of light incident on the first mirror (M 1 ) and parallel to the second mirror (M 2 ) is finally reflected from the second mirror (M 2 ) parallel to the first mirror (M 1 ). The angle between the two mirrors will be :
Text Solution
Verified by ExpertsThe correct answer is:
D
δ 1 + δ 2 = 360 – 2 θ = 180 + θ
3 θ = 180
θ = 60°
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