Question

what are the various applications of lens​

Answer 1

Answer:

That's because the glass used there isn't a normal one. It is a concave lens. Convex lenses are used to correct farsighted vision problems. Similarly, concave lenses are used to correct nearsightedness.

Answer 2

Answer:

lenses can be used to magnify writings

to focus or disperse the light

Explanation:

that's all I can say