Question

State uses of a convex lens.

Answer 1

Important uses of convex lenses:

1. Convex lenses are used in spectacles to correct long-sightedness (hypermetropia) defect of vision.
2. Convex lenses are used in microscopes and telescopes.
3. Convex lenses of small focal length are used by watchmakers, jewelers etc as magnifying glass.
4. Convex lenses are used in photographic cameras.