Question

Differentiate between centre of curvature and radius of curvature

Answer 1

centre of curvature is centre of the spher from which mirror is cuted and it is duble to the focuse and radius of cunrature is same thing

Answer 2

Radius of curvature is the radiusof the circle which touches the curve at a given point and has the same tangent and curvature at that point. Radius is the distancebetween the centre and any other point on the circumference of circle or surface of sphere. ... In circles you must use the termradius.