Question for sound waves effect. .?

  1. Which one has more dangerous effect for health ...ultrasound or infrasound.? and why......
    Last edited: Jan 9, 2014
  2. jcsd
  3. Tricky question. Why do you think either is dangerous?

    Ultrasound is used to scan unborn babies.
    Infrasound is produced by waves on a beach.
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