Question

define radius of curvature​

Answer 1

Answer:

the radius of a circle which touches a curve at a given point and has the same tangent and curvature at that point.

Answer 2

Explanation:

The distance from the vertex to the center of curvature is known as the radius of curvature (represented by R). The radius of curvature is the radius of the sphere from which the mirror was cut. Finally, the distance from the mirror to the focal point is known as the focal length (represented by f).