Question

What are concave lens​

Answer 1

Answer:

A concave lens is a lens that possesses at least one surface that curves inwards. It is a diverging lens, meaning that it spreads out light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia).

Answer 2

Explanation:

Convex lens is a lens that cirved inward and it is also called diverging lens.

Concave lens is thinner in centre