Question

A ray of light incident on a concave mirror after passing through the centre of curvature is reflescted back along the same path then what is the angle of incidence?​

Answer 1

Answer: the angle of incidence will be 0°.

Answer 2

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A ray of light incident on a concave mirror after passing through the centre of curvature is reflescted back along the same path then what is the angle of incidence?

0°