What is the range of frequencies used in state satellite communication ? What is common between these waves and light waves ?

What is the range of frequencies used in satellite communication? What is common between these waves and light waves?

What is the range of frequencies used for TV transmission? What is common between these waves and light waves?

The waves used by artificial satellites for communication is

In the satellite communication, the up linking frequency range is

Which basic mode of communcation is used in satellite communication ? What type of wave propagation is used this mode ? Write, giving reason, the frequency range used in this mode of propagation.

What is the difference between a sound wave and a T. V. wave ?

Which range of frequencies can be transmitted suitable by sky wave propagation?

Satellite communication is generally carried out for frequencies above

Write the difference between the propagation of sound and light waves.

Which of the following phenomenon is not common to sound and light waves ?