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Sound

Practice Test
      
  1.The human perception of sound frequency is __________ .  
  a.   loudness  
  b.   pitch  
  c.   intensity  
  d.   resonance  
  Hint    
      
  2.What describes the differences among sounds of the same pitch and loudness?  
  a.   quality  
  b.   resonance  
  c.   overtone  
  d.   acoustics  
  Hint    
      
  3.In the human ear, sound waves are gathered in the __________ .  
  a.   inner ear  
  b.   cochlea  
  c.   outer ear  
  d.   middle ear  
  Hint    
      
  4.What is the difference between music and noise?  
  a.   Noise has a greater intensity than music.  
  b.   It is strictly a matter of opinion.  
  c.   Music follows a specified pattern of sounds and pitches; noise has no pattern.  
  d.   Music has a wider range of frequencies than noise.  
  Hint    
      
  5.The matter through which all sound waves travel is called __________ .  
  a.   a medium  
  b.   water  
  c.   air  
  d.   atmosphere  
  Hint    
      
  6.A(n) __________ is a vibration whose frequency is a multiple of the fundamental frequency.  
  a.   resonant frequency  
  b.   reverberation  
  c.   natural frequency  
  d.   overtone  
  Hint    
      
  7.Which of the following will you hear as a high pitch?  
  a.   sound wave with intensity of 10 dB  
  b.   sound wave with intensity of 100 dB  
  c.   sound wave with frequency of 10,000 Hz  
  d.   sound wave with frequency of 50 Hz  
  Hint    
      
  8.The echoing effect produced by many reflections of sound is called __________ .  
  a.   intensity  
  b.   reverberation  
  c.   resonance  
  d.   rarefaction  
  Hint    
      
  9.__________ is the amount of energy that flows through a certain area in a specific amount of time.  
  a.   Loudness  
  b.   Pitch  
  c.   Frequency  
  d.   Intensity  
  Hint    
      
  10.The intensity of sound is measured in units called __________ .  
  a.   dopplers  
  b.   reverberations  
  c.   decibels  
  d.   hertz  
  Hint    
      
  11.The two types of regions that make up compressional waves are __________ .  
  a.   compressions and extensions  
  b.   compressions and transmissions  
  c.   vibrations and transmissions  
  d.   compressions and rarefactions  
  Hint    
      
  12.Sound waves cannot travel in __________.  
  a.   empty space  
  b.   gases  
  c.   liquids  
  d.   solids  
  Hint    
      
  13.The __________ is a spiral-shaped structure filled with liquid.  
  a.   hammer  
  b.   stirrup  
  c.   cochlea  
  d.   anvil  
  Hint    
      
  14.In which of the following mediums will sound travel fastest?  
  a.   water  
  b.   brick  
  c.   oil  
  d.   air  
  Hint    
      
  15.Sounds are produced by __________ .  
  a.   pitch  
  b.   reverberations  
  c.   frequencies  
  d.   vibrations  
  Hint    
      
  16.The study of sound is __________ .  
  a.   sonar  
  b.   linguistics  
  c.   acoustics  
  d.   ultrasonics  
  Hint    
      
  17.How does temperature of a medium affect the speed of sound waves?  
  a.   Temperature does not affect the speed of sound waves.  
  b.   As the temperature of a substance decreases, sound waves in it move faster.  
  c.   As the temperature of a substance increases, sound waves in it move faster.  
  d.   As the temperature of a substance increases, sound waves in it move more slowly.  
  Hint    
      
  18.What type of waves are sound waves?  
  a.   radio  
  b.   transverse  
  c.   compressional  
  d.   sonar  
  Hint    
      
  19.The __________ is the frequency at which a material tends to vibrate when it is disturbed.  
  a.   quality  
  b.   natural frequency  
  c.   pitch  
  d.   resonance  
  Hint    
      
  20.The human perception of sound intensity is __________ .  
  a.   acoustics  
  b.   loudness  
  c.   pitch  
  d.   frequency  
  Hint    

 
   
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