JAMB Physics 2013 Objective — Question 30

Question 30 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2013 Objective paper, with the correct answer and a full explanation.

A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at

A. 0°
B. 45°
C. 90°
D. 180°Correct

Explanation

A ray of light through the centre of curvature strikes the mirror normally and is reflected straight back along the same path, i.e. it retraces its path (180°).

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