Question

Which type of waves used by an artificial satellite for communication purpose?

1. Microwaves
2. Radiowaves
3. A.M.
4. Frequency of 10¹⁶ series

Answer 1

Correct Answer - Option 1 : Microwaves

The correct answer is Microwaves.

• Microwaves : 
  • In artificial satellites, mostly microwaves are used for communication.
  • It is an electromagnetic wave with frequency ranges between 300MHz (0.3 GHz) and 300 GHz in the electromagnetic spectrum.
  • It is specially used in spacecraft communication, TV and long-distance telephone lines.
• Radio waves :
  • It is an electromagnetic wave within the frequency ranges between 30KHz - 300GHz.
  • ​It is used to communicate with satellites that revolve in a lower orbit.