Chapter 21: Musical Sounds

18 Questions | Total Attempts: 195

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Chapter 21: Musical Sounds

Questions and Answers
  • 1. 
    The pitch of a musical sound depends on the sound wave's
    • A. 

      Wavelength.

    • B. 

      Frequency.

    • C. 

      Speed.

    • D. 

      Amplitude.

    • E. 

      All of these

  • 2. 
    As we become older, the frequency range of human hearing
    • A. 

      Decreases.

    • B. 

      Increases.

    • C. 

      Remains relatively constant.

  • 3. 
    As we grow older, we have the greatest difficulty hearing frequencies that are
    • A. 

      Low.

    • B. 

      Mid-range.

    • C. 

      High.

  • 4. 
    The loudness of a musical sound is a measure of the sound wave's
    • A. 

      Wavelength.

    • B. 

      Frequency.

    • C. 

      Speed.

    • D. 

      Amplitude.

    • E. 

      All of these

  • 5. 
    The loudness of a sound is most closely related to its
    • A. 

      Speed.

    • B. 

      Frequency.

    • C. 

      Wavelength.

    • D. 

      Intensity.

  • 6. 
    A decibel is a measure of a sound's
    • A. 

      Frequency.

    • B. 

      Wavelength.

    • C. 

      Speed.

    • D. 

      Loudness.

    • E. 

      All of these

  • 7. 
    The quality of a musical note has to do with its
    • A. 

      Loudness.

    • B. 

      Frequency.

    • C. 

      Harmonics.

    • D. 

      Amplitude.

    • E. 

      All of the above choices are correct.

  • 8. 
    High pitched sound has a high
    • A. 

      Speed.

    • B. 

      Frequency.

    • C. 

      Number of partial tones.

    • D. 

      All of the above choices are correct.

    • E. 

      None of the above choices are correct.

  • 9. 
    Reverberation is a phenomenon you would be most likely to hear if you sing in
    • A. 

      The shower.

    • B. 

      A small drape-covered room.

    • C. 

      A large drape-covered room.

    • D. 

      The desert.

  • 10. 
    The fundamental frequency of a violin string is 440 hertz. The frequency of its second harmonic is
    • A. 

      220 hertz.

    • B. 

      440 hertz.

    • C. 

      880 hertz.

    • D. 

      None of the above choices are correct.

  • 11. 
    The frequency of a note one octave higher in pitch than a 440-Hz note is
    • A. 

      1760 Hz.

    • B. 

      880 Hz.

    • C. 

      440 Hz.

    • D. 

      220 Hz.

    • E. 

      110 Hz.

  • 12. 
    What is the threshold of hearing?
    • A. 

      10 decibel

    • B. 

      1 decibel

    • C. 

      0.1 decibel

    • D. 

      0.01 decibel

    • E. 

      None of the above choices are correct.

  • 13. 
    Fourier discovered that periodic waves can be represented by
    • A. 

      A series of non-periodic waves.

    • B. 

      The summation of a series of simple sine waves.

    • C. 

      A binary code.

    • D. 

      Pulses of the same amplitude.

  • 14. 
    All other things being the same, strings having more mass than other strings will produce
    • A. 

      Higher frequency notes.

    • B. 

      Lower frequency notes.

    • C. 

      The same frequency notes.

  • 15. 
    Compared to a sound of 40 decibels, a sound of 50 decibels is
    • A. 

      10 times as intense.

    • B. 

      100 times as intense.

    • C. 

      1000 times as intense.

    • D. 

      10,000 times as intense.

    • E. 

      More than 10,000 times as intense.

  • 16. 
    Compared to a sound of 30 decibels, a sound of 60 decibels is
    • A. 

      Twice as intense.

    • B. 

      10 times as intense.

    • C. 

      100 times as intense.

    • D. 

      1000 times as intense.

    • E. 

      10,000 times as intense.

  • 17. 
    About how many octaves are present between 20 hertz and 2560 hertz?
    • A. 

      5

    • B. 

      6

    • C. 

      7

    • D. 

      8

    • E. 

      9

  • 18. 
    About how many octaves are present between 100 hertz and 1600 hertz?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

    • E. 

      8

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