Quiz # 2 For Acoustics

15 Preguntes | Total Attempts: 227

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Quiz # 2 For Acoustics

OBJECTIVES OBJECTIVES OBJECTIVES OBJECTIVES OBJECTIVES


Questions and Answers
  • 1. 
    ______ – physical phenomenon of vibrations that set the molecules into motion through longitudinal waves of compression and rarefaction as it propagated through molecular  structure such as solid, liquid and gas.
    • A. 

      Sound

    • B. 

      Sound wave

    • C. 

      Longitudinal wave

    • D. 

      Elasticity

    • E. 

      Compression

  • 2. 
    ___________ – is the motion of molecules as they propagated through molecular structure.
    • A. 

      Sound wave

    • B. 

      Longitudinal wave

    • C. 

      Elasticity

    • D. 

      Compression

    • E. 

      Sound frequency Spectrum

  • 3. 
    _________ – is the phenomenon in which a molecule in motion will return to its original position after its momentum from another molecule.
    • A. 

      Elasticity

    • B. 

      Sound frequency Spectrum

    • C. 

      Compression

    • D. 

      Longitudinal wave

    • E. 

      Sound frequency Spectrum

  • 4. 
    __________- happens when a vibrating object move forward causing the molecules increase its pressure and decrease its velocity.
    • A. 

      Compression

    • B. 

      Refraction

    • C. 

      Frequency

    • D. 

      Abstraction

    • E. 

      Synopsis

  • 5. 
    ________- happens when a vibrating object moves inward causing the molecules to decrease its pressure and its velocity.
    • A. 

      Refraction

    • B. 

      Reflection

    • C. 

      Reduction

    • D. 

      Diffraction

    • E. 

      NOTA

  • 6. 
    ___________ - The number of cycle that a vibration completes in one second
    • A. 

      Frequency

    • B. 

      Wavelength

    • C. 

      Lambda

    • D. 

      Pitch

    • E. 

      Beat

  • 7. 
    ___________- frequency below 20Hz- 20 kHz
    • A. 

      Infrasonic

    • B. 

      Ultrasonic

    • C. 

      Megasonic

    • D. 

      Supersonic

    • E. 

      Sonic

  • 8. 
    _______ - is the relative tonal highness or lowness of sound
    • A. 

      Pitch

    • B. 

      Degree

    • C. 

      Sound

    • D. 

      Music

    • E. 

      Screech

  • 9. 
    _________ – is the range of audible sound
    • A. 

      Sound frequency Spectrum

    • B. 

      Frequency spectrum

    • C. 

      Spectral Spectrum

    • D. 

      Sound System

    • E. 

      Harmonics

  • 10. 
    _______ - is interval between any two frequencies that have a tonal ratio of 2  to 1.
    • A. 

      Octave

    • B. 

      Octadic

    • C. 

      Octagon

    • D. 

      Octavo

    • E. 

      Octennial

  • 11. 
    ________________      1st octave (20 to 40 Hz)          2nd octave (40 to 80Hz)
    • A. 

      Low Bass

    • B. 

      Upper Bass

    • C. 

      MidRange

  • 12. 
    ________        3rd octave (80 to 160 Hz)          4th octave (160 Hz to 320Hz)
    • A. 

      Upper Bass

    • B. 

      Low Bass

    • C. 

      MidRange

  • 13. 
                ________        5th octave (320Hz – 64o Hz)         6th octave (640 to 1280Hz)         7th octave (1280 – 2560Hz)
    • A. 

      MidRange

    • B. 

      Low Bass

    • C. 

      Upper Bass

  • 14. 
    _________ – exact multiple of fundamental
    • A. 

      Harmonics

    • B. 

      Overtones

    • C. 

      Pure tone

    • D. 

      Upper Midrange

    • E. 

      Treble

  • 15. 
    ______ – pitches that are not exact multiples of fundamental frequency
    • A. 

      Overtones

    • B. 

      Pure tone

    • C. 

      Harmonics