Question

2) different convex lens and concave lens?​

Answer 1

Explanation:

A concave lens is thinner in the middle and thicker at the edges. A convex lens is thicker in the middle and thinner at the edges. Used in the camera, focus sunlight, overhead projector, projector microscope, simple telescope, magnifying glasses, etc. It is also used for the correction of the problem in long sight.

Answer 2

Answer:

Convex lens are converging lens.

concave lens are diverging lens.