A ray of light passing through the centre of curvature of a curved surface will emerge without deviation after refraction.
A ray of light after refraction through a lens emerges parallel to the principal axis of the lens. The incident ray passes through :
(a) its optical centre
(b) its first focus
(c) its second focus
(d) the centre of curvature of the first surface.
A light ray passing through the optic centre of a convex lens will pass through ___ after refraction.
A ray of light passing through the centre of curvature of a spherical mirror, after reflection passes through