Question

state the relationship between radius of curvature and focal length

Answer 1

F=1/2 R this is the relationship

Plz follow em

Answer 2

Focal length is equal to half of radius of curvature. The focal length (f) of a lens is the distance between the center of the lens and the point at which the reflected light, of a beam of light traveling parallel to the center line, meets the center line (principal axis).