If radii of curvature of both convex surfaces is 20 cm then

Last updated: 6/19/2023

If radii of curvature of both convex surfaces is 20 cm then focal length of the lens for an object placed in air in the given arrangement is 10 cm 40 cm M 1 10000 www 200 1H 4 3 M 1 5 2 20 cm 4 80 cm