Speech Science Acoustics Quiz
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Questions and Answers

What is the essential constituent of sound?

  • Pressure variations
  • Displacement
  • Elasticity
  • Vibration of air molecules (correct)

    • How does a longitudinal wave in air propagate?

  • Particles vibrate at right angles to the direction of wave propagation
  • Particles vibrate alternately in the same or opposite direction of propagation (correct)
  • Particles move in a circular motion
  • Particles oscillate vertically

    • What results in an increase of pressure in a longitudinal wave?

  • Compression (correct)
  • Elasticity
  • Displacement
  • Rarefaction

    • In a transverse wave, how do particles vibrate?

    <p>At right angles to the direction of wave propagation</p> Signup and view all the answers

    What causes vibration to persist in Simple Harmonic Motion (SHM)?

    <p>Elasticity and inertia</p> Signup and view all the answers

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