A lens forms an erect, magnified and virtual image of an object.
A lens forms an erect, magnified and virtual image of an object.

(a) Name the kind of lens.

(b) Where is the object placed in relation to the lens?

(c) Draw a ray diagram to show the formation of the image.

(d) Name the device which uses this principle.

Solution:

(a) Since the lens forms an erect, magnified and virtual image of an object, the lens is a Convex lens

(b) The object is placed between the lens and focus (F1) in relation to the lens.

(c)

(d) A magnifying glass uses this principle.