Question

A ray of light falling normally on a plane mirror, then angle of reflection will be :
(a) 90°
(b) 180°
(c) 0°
(d) 45°

Answer 1

Answer:

answer is (b) 180 °

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Answer 2

Answer:

A ray of light falling normally on a plane mirror, then angle of reflection will be 90°

Because when a ray of light falls normal to the plane of the mirror , it is perpendicular or a 90 degree angle.

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