Question

Write four uses of convex and concave lenses in points.

Answer 1

Uses of the convex lens:

1. It is used in building microscopes.
2. Used as a magnifying glass.
3. used to adjust vision on spectacles
4. They are extensively employed in cameras to focus on and magnify an image.

Uses of the concave lens:

1. Peepholes use a concave lens.
2. They are used to adjust vision on spectacles.
3. They are used to focus a camera on a single object.
4. These are utilised in flashlights as well.