Question

Relation between focal length and radius of curvature of a convex lens mirror

Answer 1

heya mate....

here is your answer....

The radius of curvature (r) is the radius of the lens that forms a complete sphere. ... 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 travelling parallel to the center line, meets the center line (principal axis).

hope it helps u.....

Answer 2

see the attachment hope it help  

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