Name the em waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.

Why are microwaves considered suitable for radar system used in aircraft nevigation?

Identify the part of the electromagnetic specturm which is (i) Suitable for radar systems used in aircraft nevigation (ii) Adjacent to the low frequency end of the electromagnetic spectrum (iii) produced in nuclear reaction (iv) produced by bombarding a metal target by high speed electrons.

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.