Question

what are the uses of concave lens and Convex lens?
please answer fast
tomorrow is my board exam of science ​

Answer 1

Answer:

Concave Lenses Are for the Nearsighted, Convex for the Farsighted. Concave lenses are used in eyeglasses that correct nearsightedness.

Explanation:

Answer 2

Concave Lens:

Used as the spectacle lens in people having myopia (short-sightedness)

Convex Lens:

-Used as the spectacle lens in people having hypermetropia (long-sightedness)

-Also used in magnifying glasses

The combination of concave and convex lenses are also used in telescopes used by astronomers.

BTW, all the best for the board exam!

PS: I have science board exam too tomorrow!