Anonym Anonym
  • 18-02-2015
  • Social Studies
Answered

What are three facts about radio waves

Answer :

Tnd123 Tnd123
  • 18-02-2015
1. A radio wave is not a sound wave, it is an electromagnetic wave.
2. A radio receives radio waves and converts them to an electrical signal. The radio circuit then converts the electrical signal to sound waves. Radios have an amplifier to boost the power of the sound waves.
3. NASA, the National Science Foundation (U.S.) and other astronomers, use radio telescope to study space.
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