Define centre of curvature.

Define (a) centre of curvature (b) radius of curvature ( c) pole (d) peincipal axis, and ( e) aperture, of a spherical mirror with the help of a blabelled diagram.

Geometric centre of a spherical mirror is called its centre of curvature. _____

Two concave mirrors are placed facing each other and have the same centre of curvature. Where will the images of the point source Kept at this common centre of curvature be formed?

Define: Radius of curvature and centre of curvature

Distance between optical centre and centre of curvature

Distance between optical centre and centre of curvature

Define the terms of pole and centre of curvature of a spherical mirror.

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