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Which type of electromagnetic radiation is useful in communications technology? A. X-rays B. visible light C. radio waves D. ultraviolet radiation
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4 votes
Which type of electromagnetic radiation is useful in communications technology?

A. X-rays
B. visible light
C. radio waves
D. ultraviolet radiation

User Plutoberth
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4.0k points

1 Answer

5 votes
Radio waves: they are present in radios and also walkie-talkies
User Rabindra Nath Nandi
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