Question

What is called radius of curvature?

Answer 1

Answer:

Reciprocal of the curvature(R)

Answer 2

Answer:

in differential geometry, the radius of curvature ,R,is the resiprocal of the curvature.For a curve it equals the radius of the circular arc which is best approximates the curve at the point.For surfaces,the radius of curvature is the radius of the circle that best fits a normal sections or combinations thereof