Question

3) Briefly mention how many types of lens are there. Explain each of them.​

Answer 1

Answer:

2 types

1. concave ( diverging lens )
2. convex ( converging lens )

Answer 2

There are two main types of lenses, known as convex (or converging) and concave (or diverging).

Ⓗ︎Ⓞ︎Ⓟ︎Ⓔ︎ Ⓘ︎Ⓣ︎ Ⓦ︎Ⓘ︎Ⓛ︎Ⓛ︎ Ⓗ︎Ⓔ︎Ⓛ︎Ⓟ︎ Ⓨ︎Ⓞ︎Ⓤ︎.

Ⓜ︎Ⓐ︎Ⓡ︎Ⓚ︎ Ⓐ︎Ⓢ︎ Ⓑ︎Ⓡ︎Ⓐ︎Ⓘ︎Ⓝ︎Ⓛ︎Ⓘ︎Ⓢ︎Ⓣ︎.