Question

State four differences between convex and concave lens

Answer 1

convex lens is thicker in the middle while concave is thinner in the middle

convex lens is thinner in the edges while concave lens is thicker in the edges.

convex lens are known as converging lens while concave lens are called diverging lens.

convex lens can do the burning action while concave can't.

hope it helps...

Answer 2

Convex lens is thicker at the middle and thinner at the edges whereas concave lens is thicker at the edges and thinner at the middle.

Convex lens converges the rays of light while concave lens diverges the rays of light.

Convex lens is used to remove long sightedness while concave lens is used to remove short sightedness.

Convex lens forms real image but concave lens forms virtual image.