Question

write application of convex lens

Answer 1

Convex lenses are seldom used alone. The most common uses for singleelement lenses are in magnifying glasses and reading glasses. But more generally, convex lenses are often used in compound lenses for just about any optical instrument - telescopes, microscopes, and camera lenses.

Answer 2

the convex lens are mostly used for magnifying objects.so it can be used in binoculars and microscopes.