Name the parts of the electromagnetic spectrum which is
(a) suitable for radar system used in aircraft navigation
(b) used to treat muscular strain.
(c) Use as a diagnostic tool in medicine.
Write in brief, how these waves can be produced.

Explanation

(a) Microwaves, Production:Klystron`//`magnetron
(b) Infrared radiations, Production:Hot
bodies`//`vibrations of atoms and molecules.
(c) x-rays, Production:Hot Bombarding the high
energy electons on a target of high atomic
number.