*Radio*
Write a Short note on it.
History Class 10th
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radio is another common means of mass communication. it is invented by an Italian scientist Guglielmo Marconi.the radio give programs on national and international news, movies, drama ,music and education program. the the invention of radio brought about a revolution in mass communication. radio needs no wires or cables to send a message . even illiterate people can benefit and enjoy listening to it. now- a -days, like television, even the radio has many channel to entertain us
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