1.
The ratio of the magnitudes of the electric field and magnetic field of a plane electromagnetic wave is-
2.
An electromagnetic wave is produced by a charge-
3.
The electromagnetic waves used in radar systems are-
7.
The electromagnetic radiation used in food processing sterilizing agent is-
9.
______ was the first to demonstrate the existence of electromagnetic waves.
10.
The electromagnetic waves also known as 'heat waves' are-