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23 Multiple choice questions

  1. an unpleasant combination of frequencies heard when sounds are played simultaneously
  2. a harmonious or agreeable combination of frequencies heard when sounds are played simultaneiously
  3. motion that is slower than the speed of sound in air
  4. the compressed wave fronts that form in front of a supersonic object; the wavefronts form a boundary between sound and silence
  5. the dimensionless unit of a logarithmic scale for expressing the relative intensity of sounds
  6. the property of a sound determined by the frequency of the waves producing it; the highness or lowness of a sound
  7. the pulsations of sound produced when two similar frequencies interfere with each other
  8. a tiny, fluid-filled bone structure in the inner ear that contains the essential organs of hearing
  9. a device that transforms sound waves into electrical signals for the purpose of transmitting or recording sound
  10. a device that converts electrical signals into sound; used to reproduce sound accurately
  11. motion that is faster than the speed of sound in air
  12. a frequency difference that is double or half the starting frequency
  13. the force exerted per unit area; fluid pressure acts in all directions
  14. a graphic representation showing the relative contribution to an overall sound made by each component frequency
  15. a graphic representation of sound showing frequency, time, and intensity
  16. multiple reflections of sound building up and blending together
  17. the science and technology oh how sound behaves
  18. the change in the observed frequency of a wave due to the relative motion of the source and observer
  19. states that nearly every wave can be expressed by superimposing single frequency waves
  20. a series of musical notes arranged from low to high in a special pattern
  21. the organization of a sound into regular time patterns
  22. a frequency in a musical scale; a sound with a certain duration and pitch; it is based on a single fundamental frequency and may include harmonies and other related frequencies
  23. a method of sound reproduction involving multiple speakers to approximate the spatial distribution of the original sound