Question

What is relation between between focal length and radius of curvature of a plano convex lens?

Answer 1

hlo mate ✌️

You can play around with the numbers, and a few things should become obvious. where n is the refractive index. 2) So, for n < 2, the focal length of a plano-convex thin lens will be greater than the radius of curvature, and for n > 2, the focal length will be less.

Hope it helps.

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