Question

Make a list of the different types of concave lens

Answer 1

1)concavo convex lens
2)concave lens
3)convexo concave lens

Answer 2

The Different types of Concave Lens are a Double-concave lens, Plano-concave lens and Convexo-concave lens.

The double-concave lens is the one where both the sides of the lens are curved inwards.

Plano-concave lens is where one side of the lens curved inwards and the other side is flat.

While in the convexo-concave lens, one side of the lens is curved inside and the other side is curved outside.