Question

what do you mean by centre of curvature and radius of curvature in a spherical mirror.

Answer 1

CENTRE OF CURVATURE MEANS.. THE CENTRE OF THE CIRCLE WHOSE PART THE LENS IS.

RADIUS OF CURVATURE MEANS THE RADIUS OF THE CIRLCE WHOLE PART THE LENS IS.

Answer 2

Centre of curvature:-
It is the centre of the imaginary sphere of which the mirror is a part.
Usually it is marked by 'C'

Radius of curvature:-
It is the radius of the imaginary sphere of which the mirror is a part.
Usually it is shown by 'R'

Hope It Helps.......