Question

Complete the following table :

Instrument	Number of Convex Lenses	Use
Simple Microscope	.............	.......
Compound Microscope	.............	.......
Telescope	.............	.......

Answer 1

Instrument	Number of Convex Lenses	Use
Simple Microscope	One	Only used to enlarge an object.
Compound Microscope	Two	Compound microscope are used in medical purpose and for identifying the microorganism which can be seen in simple microscope.
Telescope	Two	Astronomers use telescopes that focus radio waves, X-rays, and other forms of electromagnetic radiation.