Question

write an short note on lens and their type

Answer 1

Lens are a piece of glass or other meterial with curved sides for concentrating or dispersing light rays, used singly or with other lenses. There are different types of lenses:-

i) Normal lenses

ii) Telephoto lenses

iii) Prime lenses

iv) zoom lenses

v) macro lenses.

hope it helps

Answer 2

the different types of lenses are 1 convex lens and 2 concave lens