Question

Write down the uses of concave and convex lens.​

Answer 1

Answer:

The crucial difference between concave and convex lens is that a concave lens diverges the light rays that incident on its surface. On the contrary, a convex lens has the ability to converge the light rays passing through it

Answer 2

Answer:

these lenses are used in binoculars, telescopes, cameras, flashlights and eyeglasses. The images are erect and upright, unlike the real images. This is how you can distinguish between concave and convex lens by learning the features of light rays refracting inside the lenses