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3 February, 22:09

What is the ultimate source of electromagnetic waves?

A. Vibrating atoms

B. Vibrating molecules

C. Radio sets

D. Vibrating charged particles

E. TV antennas

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Answers (1)
  1. 3 February, 22:21
    0
    The ultimate source of electromagnetic waves are the radio sets. The answer is letter C. One example of an electromagnetic radiation is the visible light. And visible light can be radio waves, infrared light and X - rays. The rays of the sun are a form of visible light. It has an electromagnetic radiation of UV (ultra violet) rays. That is why the radiation at day is greater than at day due to sun’s rays.
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