Question

Mention any four devices that contain convex lens

Answer 1

in a rear view mirror, in a reflector in street lamps, telescope, camera

Answer 2

Some devices that make use of the convex lens are mentioned below:

• Magnifying glass: for magnification of objects

• Microscopes: again for magnifying objects which cannot be seen by the naked eyes

• Cameras: They help in zooming and magnification too

• Telescopes: Used for seeing objects bigger in the night sky.

Convex lenses mostly help in making objects seem bigger than they originally are.