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Quizzes Quiz

Practice Test
  1.__________ is the ability of a medium to vibrate by absorbing energy at its natural frequency.  
  a.   Reverberation  
  b.   Resonance  
  c.   Quality  
  d.   Overtone  
  2.The process of locating objects by emitting sounds and interpreting the reflected sound waves is __________ .  
  a.   sonar  
  b.   ultrasound  
  c.   echolocation  
  d.   radar  
  3.What type of waves are sound waves?  
  a.   sonar  
  b.   radio  
  c.   compressional  
  d.   transverse  
  4.What describes the differences among sounds of the same pitch and loudness?  
  a.   resonance  
  b.   overtone  
  c.   acoustics  
  d.   quality  
  5.__________ is the amount of energy that flows through a certain area in a specific amount of time.  
  a.   Intensity  
  b.   Pitch  
  c.   Loudness  
  d.   Frequency  
  6.The echoing effect produced by many reflections of sound is called __________ .  
  a.   rarefaction  
  b.   resonance  
  c.   intensity  
  d.   reverberation  
  7.The matter through which all sound waves travel is called __________ .  
  a.   a medium  
  b.   water  
  c.   atmosphere  
  d.   air  
  8.Sound waves cannot travel in __________.  
  a.   empty space  
  b.   solids  
  c.   liquids  
  d.   gases  
  9.Sounds are produced by __________ .  
  a.   vibrations  
  b.   reverberations  
  c.   pitch  
  d.   frequencies  
  10.How does temperature of a medium affect the speed of sound waves?  
  a.   As the temperature of a substance increases, sound waves in it move faster.  
  b.   Temperature does not affect the speed of sound waves.  
  c.   As the temperature of a substance decreases, sound waves in it move faster.  
  d.   As the temperature of a substance increases, sound waves in it move more slowly.  
  11.What is the difference between music and noise?  
  a.   Noise has a greater intensity than music.  
  b.   Music follows a specified pattern of sounds and pitches; noise has no pattern.  
  c.   It is strictly a matter of opinion.  
  d.   Music has a wider range of frequencies than noise.  
  12.__________ is a system that uses the reflection of underwater sound waves to detect objects.  
  a.   Echolocation  
  b.   Radar  
  c.   Sonar  
  d.   Ultrasound  
  13.The __________ is the frequency at which a material tends to vibrate when it is disturbed.  
  a.   quality  
  b.   pitch  
  c.   resonance  
  d.   natural frequency  
  14.Which of the following will you hear as a high pitch?  
  a.   sound wave with intensity of 10 dB  
  b.   sound wave with frequency of 10,000 Hz  
  c.   sound wave with frequency of 50 Hz  
  d.   sound wave with intensity of 100 dB  
  15.The human perception of sound frequency is __________ .  
  a.   intensity  
  b.   pitch  
  c.   loudness  
  d.   resonance  
  16.The __________ is a spiral-shaped structure filled with liquid.  
  a.   stirrup  
  b.   anvil  
  c.   hammer  
  d.   cochlea  
  17.The intensity of sound is measured in units called __________ .  
  a.   decibels  
  b.   reverberations  
  c.   hertz  
  d.   dopplers  
  18.The study of sound is __________ .  
  a.   acoustics  
  b.   ultrasonics  
  c.   linguistics  
  d.   sonar  
  19.In the human ear, sound waves are gathered in the __________ .  
  a.   cochlea  
  b.   inner ear  
  c.   outer ear  
  d.   middle ear  
  20.The human perception of sound intensity is __________ .  
  a.   pitch  
  b.   acoustics  
  c.   frequency  
  d.   loudness  

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