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5 Written questions

5 Matching questions

  1. units of pressure
  2. what does sound need to travel
  3. what is used to accurately describe the characteristics of a sound wave
  4. units of distance
  5. what do waves do
  1. a cm,mm
  2. b there are 7 acoustic parameters: period, frequency, amplitude, power, intensity, wavelength, propagation speed----wif papp
  3. c all waves carry energy
  4. d sound must travel through a medium, it cannot travel through a vacuum
  5. e pascals (Pa)

5 Multiple choice questions

  1. particles move in the same direction that the wave propagates
  2. the interference of a pair of in phase waves forms a single wave of greater amplitude than either of its components--the resulting wave is larger than its components
  3. the molecules are alternately compressed and rarefied (stretched apart)
  4. 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. the wave is not a sound wave

5 True/False questions

  1. transverse waveparticles move in a direction that is perpendicular (at right angles) to the direction that the wave propagates

          

  2. if one of the acoustic variables of pressure, density, and distance has a rhythmic oscillation thenthat wave is a sound wave

          

  3. in phase wavesparticles move in a direction that is perpendicular (at right angles) to the direction that the wave propagates

          

  4. units of densitykg/cm cubed

          

  5. what are some different types of wavessound, light, magnetic, and heat

          

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