Question

The part of the electromagnetic spectrum usually used for communication is

Answer 1

The part of the electromagnetic spectrum usually used for communication is of radio waves, infrared waves and microwaves.

But most common waves used in communication are radio waves.

Step-by-step explanation:

• Radio waves are used to transmit television and radio programmes.
• While microwaves are used for mobile phones and Wi-Fi.
• Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
• Radio waves have frequencies as high as 300 gigahertz (GHz) to as low as 30 hertz (Hz).