What type of lens would you use as a magnifying glass? How close must the object be to the lens?

If an object is at a considerable distance (or infinity) in front of a convex lens, where is the image formed?

Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.

Name two factors on which the focal length of a lens depends.

State any two uses of convex lenses.