Question

What are
Lens 2 Explain their types and use​

Answer 1

Answer:

Convex lenses are thick in the middle and thinner at the edges. A concave lens is flat in the middle and thicker at the edges. A convex lens is also known as the converging lens as the light rays bend inwards and converge at a point which is known as focal length.

Explanation:

i hope it helps you ...

Answer 2

Answer:

A lens can focus light to form an image, unlike a prism, which refracts light without focusing. There are two types of lensesconvex and concave. Convex lenses are lenses that curve outwards, they converge parallel light rays to a focal point. ... Concave lenses diverge parallel light rays away from each other.