Question

write the function of concave lense​

Answer 1

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

★ hope it helps ★

Answer 2

❥A concave lens is also called as a negative lens or a diverging lens. There are numerous uses of the concave lens, like in telescopes, cameras, lasers, glasses, binoculars, etc.

❥also used in the treatment of myopia like disease

❥hope it's help