Question

briefly mention how many types of lenses are there explain each of them​

Answer 1

Answer:

2 typez of lenses

Explanation:

1. concave lens
2. convex lens

Answer 2

Answer:

there are two types of lens

* concave lens and convex lens

Explanation:

Concave lens - A concave lens is a diverging lens and diverges the light rays .

therefore , it is also called diverging lens .

Convex lens - A convex lens converges the light rays

and therefore , it is also called converging lens