Quiz  /  The Sound Wave

  • 1. 
    Sound waves are a special kind of wave that can be detected by _______.

  • Electronic instruments
  • Computers
  • The human eye
  • The human ear

  • 2. 
    A sound wave cannot travel through which of the following?

  • Water
  • Air
  • Metal
  • Vacuum

  • 3. 
    Because a sound wave must travel through a medium, it is called a ________ wave.

  • Mechanical
  • Electrical
  • Light
  • Electromagnetic

  • 4. 
    What is the source of a sound wave?

  • Conduction
  • Light waves
  • Electricity
  • Vibration

  • 5. 
    What does it mean that a sound wave is a longitudinal wave?

  • The disturbance moves perpendicular to the wave
  • The disturbance moves in the same direction as the wave
  • The wave has a very low frequency
  • The period of the wave is very long

  • 6. 
    What do we call the region of a sound wave where the molecules are bunched closer together?

  • Interference
  • Polarization
  • Compression
  • Refraction

  • 7. 
    What do we call the region of a sound wave where the molecules are spread out?

  • Polarization
  • Interference
  • Rarefaction
  • Refraction

  • 8. 
    What do we call the areas of low pressure of a sound wave ?

  • Polarization
  • Refraction
  • Interference
  • Rarefaction

  • 9. 
    The intensity of a sound wave is equal to the sound power (P) divided by the _______.

  • Energy
  • Area
  • Time
  • Distance

  • 10. 
    True or False: Sound waves are described as both mechanical waves and longitudinal waves.

  • FALSE
  • TRUE
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