Question

what is concave lens​

Answer 1

concave lens r those lens whose curved surface is inside and shining surface is outside..

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Answer 2

Annyeonghaseyo :)

When the transparent medium is bound by two bulged in surfaces, it is called a concave lens.

Use of concave lenses :-

>concave lenses are used in spectacles for those who cannot see far objects clearly.

>Concave lenses are used in cameras microscopes and telescopes.

>Concave lenses diverges the light rays incident on it.

>It is also known as diverging lens.