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Question

What is a radio wave?


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Solution

Radio wave:

  1. Radio waves are electromagnetic waves with the longest wavelengths.
  2. They are used to transmit data from radios, satellites, and radar.
  3. These waves are a type of electromagnetic radiation with frequencies ranging from high 300 GHz to low as 3 kHz, though it is commonly defined as microwaves above 3 GHz.
  4. The wavelength is 1 mm at 300 GHz and 100 km at 3 kHz.

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