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5 Written questions

5 Matching questions

  1. what kind of line does sound travel in
  2. in phase waves
  3. what is used to accurately describe the characteristics of a sound wave
  4. what kind of wave is sound
  5. what does sound need to travel
  1. a straight or longitudinal
  2. b sound must travel through a medium, it cannot travel through a vacuum
  3. c 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. d there are 7 acoustic parameters: period, frequency, amplitude, power, intensity, wavelength, propagation speed----wif papp
  5. e sound is a mechanical longitudinal wave that moves by compression and rarefaction--particles in the medium vibrate back and forth from a fixed position

5 Multiple choice questions

  1. kg/cm cubed
  2. the resultant wave is smaller (of lesser amplitude) than either one of its components
  3. the molecules are alternately compressed and rarefied (stretched apart)
  4. acoustic waves
  5. particles move in a direction that is perpendicular (at right angles) to the direction that the wave propagates

5 True/False questions

  1. units of distancepascals (Pa)

          

  2. what are some different types of wavessound must travel through a medium, it cannot travel through a vacuum

          

  3. units of pressurepascals (Pa)

          

  4. if something other than pressure, density, or distance has a rhythmic oscillation thenthe wave is not a sound wave

          

  5. which acoustic variables are used to distinguish between sound waves and other types of wavessound, light, magnetic, and heat

          

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