Two plane mirrors are inclined at an angle of 70°. For a ray of light, incident on mirror 1 as shown, its angle of reflection from mirror 2 is
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Two plane mirrors are inclined at 70∘. A ray incident on one mirror at incidence angle θ after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of θ is. ∴(θ)=50∘
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ANSWER : Lesser than its angle of reflection at mirror 1 .
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