Sound and Its Properties
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Questions and Answers

Which of the following is the correct definition of sound?

  • A reception of mechanical waves by the brain
  • A vibration that propagates as an acoustic wave (correct)
  • A transmission medium such as gas, liquid, or solid
  • A visual perception of waves

    • What is the range of frequencies that elicit an auditory percept in humans?

  • Below 20 Hz
  • Between 20 Hz and 20 kHz (correct)
  • Above 20 kHz
  • Between 17 meters and 1.7 centimeters

    • What are sound waves above 20 kHz called?

  • Ultrasound (correct)
  • Mechanical waves
  • Infrasound
  • Acoustic waves

    • What is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids?

    <p>Acoustics</p> Signup and view all the answers

    What is a scientist who works in the field of acoustics called?

    <p>Acoustician</p> Signup and view all the answers

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