Question

What are Concave and convex lens ??​

Answer 1

Answer:

Convex and Concave Lenses Used in Eyeglasses

Lenses that are thicker at their centers than at their edges are convex, while those that are thicker around their edges are concave. A light beam passing through a convex lens is focused by the lens on a point on the other side of the lens.

Answer 2

Convex and Concave Lenses Used in Eyeglasses

Lenses that are thicker at their centers than at their edges are convex, while those that are thicker around their edges are concave. A light beam passing through a convex lens is focused by the lens on a point on the other side of the lens.