Two plane mirrors are inclined at 70°. A ray incident on one
mirror at angle ϴ after reflection falls on second mirror and is
reflected from there parallel to first mirror. The value of ϴ is
[NEET Kar. 2013]
(a) 50° (b) 45°
(c) 30° (d) 55°
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Answer:
i thing is d ok you understand
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