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Electromagnetic Waves

  • Game Code: 762633
  •  English    18     Public
    Practical Applications
  •   Study   Slideshow
  • In radio communication and broadcasting, what device is used to convert sound waves to electrical signals?
    microphone
  •  15
  • Which EM wave helps our body to produce a certain vitamin that is essential in our body's calcium absorption?
    ultraviolet
  •  15
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