A ray of light travelling parallel to the principal axis, passes through the ......... (principal focus/centre of curvature) after reflection, in case of a concave mirror.

Define the principal focus of a concave mirror.

Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.

A ray of light passing through the .................. (focus/centre of curvature) travels back along its original path after reflection.

Any ray of light which initially passes through the principal focus of a spherical mirror, after reflection passes through centre of curvature.

The point of the principal axis, when a beam of light travelling parallel to the principal axis, after reflection actually meets is called the ____ of concave mirror.

A ray of light is incident on a concave mirror . It is parallel to the principal axis and its height from principal axis is equal to the focal length of the mirror. The ratio of the distance of point B to the distance of the focus from the centre of curvature is (AB is the reflected ray)

A ray of light after reflection from a mirror is known as

A ray of light passing through the focus, after reflection from a concave mirror travels ……….

An object is between the principal focus and the centre of curvature of a concave mirror. The image formed is real and :

An imaginary line passing through the pole and the centre of curvature of the spherical mirror