Question

relationship b/w focal length and radius of curvature......​

Answer 1

Answer:

The focal length (f) of a lens is the distance between the centre of the lens and the point at which the reflected light, of a beam of light travelling parallel to the centre line (principal axis).

The radius of curvature (r) is the radius of the lens that forms a complete sphere.

Explanation:

hope this helps

.sorry my mind is getting distracted by these people..so i can't answer properly.

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