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5 Written Questions

5 Matching Questions

  1. units of density
  2. units of pressure
  3. what are some different types of waves
  4. what kind of wave is sound
  5. what happens to the molecules in a medium as sound waves pass through?
  1. a pascals (Pa)
  2. b sound is a mechanical longitudinal wave that moves by compression and rarefaction--particles in the medium vibrate back and forth from a fixed position
  3. c sound, light, magnetic, and heat
  4. d the molecules are alternately compressed and rarefied (stretched apart)
  5. e kg/cm cubed

5 Multiple Choice Questions

  1. the wave is not a sound wave
  2. that wave is a sound wave
  3. a pair of waves are considered in phase when their peaks (maximum values) and troughs (minimum values) occur at the same time and in the same location
  4. cm,mm
  5. particles move in a direction that is perpendicular (at right angles) to the direction that the wave propagates

5 True/False Questions

  1. how are sound waves identifiedoscillations in acoustic variables


  2. what is acoustic propagationthe effects of the medium upon the sound wave (compression and rarefication)


  3. which acoustic variables are used to distinguish between sound waves and other types of wavespressure, density, and distance


  4. sound waves are also known asacoustic waves


  5. what kind of line does sound travel instraight or longitudinal


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