Question

If an incident ray passes through the focus, the reflected ray will
(a) pass through the pole
(b) be parallel to the principal axis
(c) retrace its path
(d) pass through the centre of curvature

Answer 1

Answer:

(b) be parallel to the principal axis

Explanation:

This can be explained by a simple rule that when an incident ray pass through the principal focus of any spherical mirror then the reflected ray will be parallel to the principal axis of the mirror.