Types Of Sound Waves! Trivia Questions Quiz

63 Questions | Total Attempts: 66

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Types Of Sound Waves! Trivia Questions Quiz - Quiz

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Questions and Answers
  • 1. 
    How and why the brain interprets sound?
    • A. 

      Psychoacoustics

    • B. 

      Sound pressure waves

    • C. 

      Refraction

    • D. 

      Phase

    • E. 

      Hertz

  • 2. 
    Atmospheric pressure is called?
    • A. 

      Psychoacoustics

    • B. 

      Sound pressure waves

    • C. 

      Refraction

    • D. 

      Phase

    • E. 

      Hertz

  • 3. 
    When dealing with sound waves, compression is?
    • A. 

      Greater than normal atmospheric pressure.

    • B. 

      Less than normal atmospheric pressure.

    • C. 

      Pushing against lower pressure waves. ( in and outward direction)

    • D. 

      Pushing against higher pressure waves. ( out and inward direction)

  • 4. 
    When dealing with sound waves, rarefaction is?
    • A. 

      Greater than normal atmospheric pressure.

    • B. 

      Less than normal atmospheric pressure.

    • C. 

      Pushing against lower pressure waves. ( in and outward direction)

    • D. 

      Pushing against higher pressure waves. ( out and inward direction)

  • 5. 
    When dealing with sound waves, wave propagation is?
    • A. 

      Greater than normal atmospheric pressure.

    • B. 

      Less than normal atmospheric pressure.

    • C. 

      Pushing against lower pressure waves. ( in and outward direction)

    • D. 

      Pushing against higher pressure waves. ( out and inward direction)

  • 6. 
    Huber describes a waveform as, essentially ________.
    • A. 

      The graphic representation of a signal's sound pressure level as it moves over time.

    • B. 

      The graphic representation of a signal's sound pressure level.

    • C. 

      Air

    • D. 

      Sound

  • 7. 
    Simply described, amplitude is _______?
    • A. 

      Pitch

    • B. 

      Loudness

    • C. 

      Velocity

    • D. 

      Wavelength

  • 8. 
    The measurement between the maximum and minimum positive and negative signal levels of a wave is called ________
    • A. 

      RMS

    • B. 

      Peak to peak value

    • C. 

      Peak amplitude

    • D. 

      Hertz

  • 9. 
    The difference between positive and negative peak signal levels is called ____
    • A. 

      RMS

    • B. 

      Peak to peak value

    • C. 

      Peak amplitude

    • D. 

      Hertz

  • 10. 
    RMS stands for _____
    • A. 

      Read more sound

    • B. 

      Peak amplitude

    • C. 

      Hertz

    • D. 

      Root Mean Squared

  • 11. 
    RMS determines _____
    • A. 

      The root mean squared

    • B. 

      Really musical songs

    • C. 

      The meaningful average level of a waveform over time.

    • D. 

      The meaningful maximum level over time

  • 12. 
    Hertz is the term used to measure _______
    • A. 

      Velocity

    • B. 

      Frequency

    • C. 

      Pain

    • D. 

      Volume

  • 13. 
    Sound moves in ________ degrees.
    • A. 

      120

    • B. 

      560

    • C. 

      360

    • D. 

      90

  • 14. 
    The more cycles per second the  _______ the pitch.
    • A. 

      Lower

    • B. 

      Higher

    • C. 

      Softer

    • D. 

      Darker

  • 15. 
    Velocity measures?
    • A. 

      Velos

    • B. 

      Pitch

    • C. 

      Amplitude

    • D. 

      The speed of sound

  • 16. 
     What is the speed of sound at 68 degrees F?
    • A. 

      1130 fps

    • B. 

      1521 fps

    • C. 

      948 fps

    • D. 

      3011 fps

  • 17. 
    Sound reflects ________.
    • A. 

      Off a surface boundary and all over the place.

    • B. 

      Off a surface boundary at an angle that's opposite to its initial angle of incidence.

    • C. 

      Off a surface boundary at an angle that's random to its initial angle of incidence.

    • D. 

      Off a surface boundary at an angle that's equal to its initial angle of incidence.

  • 18. 
    The range of human hearing is ________?
    • A. 

      10 HZ to 20000 Hz

    • B. 

      20 Hz to 20 MHz

    • C. 

      20 cycles to 20 vls

    • D. 

      10 HZ to 2000 Hz

  • 19. 
    When 2 identical waveforms are out phase what happens?
    • A. 

      The sound gets louder.

    • B. 

      The sound cancels each other out.

    • C. 

      Nothing changes.

    • D. 

      The sound gets softer.

  • 20. 
    When 2 identical wavesforms are in phase what happens?
    • A. 

      The sound doubles in amplitude.

    • B. 

      The sound cancels each other out.

    • C. 

      The sound gets louder.

    • D. 

      The sound gets softer.

  • 21. 
    _________ occurs when one waveform has lead or lag time with respect to another. 
    • A. 

      Amplitude

    • B. 

      Phase shift

    • C. 

      Frequency

    • D. 

      Faser

  • 22. 
    440Hz refers to what pitch?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      G

  • 23. 
    Which of the following is the simplest waveform?
    • A. 

      Sine

    • B. 

      Sawtooth

    • C. 

      Triangle

    • D. 

      Square

    • E. 

      Beauty Queen

  • 24. 
    The word used to describe color of sound.
    • A. 

      Green

    • B. 

      Harmonic

    • C. 

      Tooth decay

    • D. 

      Timbre

    • E. 

      Envelope

  • 25. 
    Every instrument produces a unique _______ that works in combination with its timbre to determine its subjective sound.
    • A. 

      Envelope

    • B. 

      Harmony

    • C. 

      Pitch

    • D. 

      Letter

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