Question

write four uses of convex lens​

Answer 1

Answer:

convex lens

Used in magnifying glasses

One of the most direct and simplest uses of convex lens is in a magnifying glass. As the light rays enter the convex lens of the magnifying glass, it becomes focused to a specific focal point in front of the center of the lens. Once the magnifying glass is in the optimal distance.

Answer 2

Answer:

in rear view mirror of cars

as security mirror in shops(to keep a view on the whole shop)

in spectacles for hypermetropia

in cameras