The light ray parallel to the principal axis will:-
pass through F
pass through C
appear to come from F
appear to come from C
The ray parallel to the principal axis after hitting the convex mirror will appear to come from its focus.
A ray light incident on a lens parallel to its principal axis, after refraction passes through or appears to come from :
(a) its first focus
(b) its optical centre
(c) its second focus
(d) the centre of curvation of its second surface.