Question Bank - Computer Networks

Here's the question bank on all the computer networks topics.

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What frequency range is used for microwave communications, satellite and radar?

A.
Low frequency: 30 kHz to 300 kHz
B.
Medium frequency: 300 kHz to 3 MHz
C.
Super high frequency: 3000 MHz to 30000 MHz
D.
Extremely high frequency: 30000 MHz

Solution:

The correct answer is "option 4".CONCEPT:Microwave is a form of magnetic radiation with wavelength ranging from 1 meter to 1-millimeter corresponding to frequency 300MHz to 300GHz.So, an extremely high frequency of 30000 MHz or more is used for microwave communications, satellite, and radar.Hence, the correct answer is "option 4".

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