Question:
2 A ray of light that strikes a plane mirror PQ at an angle
Last updated: 6/11/2023
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2 A ray of light that strikes a plane mirror PQ at an angle of incidence of 30 is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror The angle of reflection at the second mirror is a 30 b 45 c 60 d 90