Question

What is radio??

Answer​

Answer 1

Answer:

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Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). The noun radio is also used to mean a broadcast radio receiver.

Answer 2

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$\underline\bold{Radio}$ is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz).

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