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5 Written questions

5 Matching questions

  1. longitudinal wave
  2. units of density
  3. what are some different types of waves
  4. what kind of line does sound travel in
  5. what does sound need to travel
  1. a kg/cm cubed
  2. b straight or longitudinal
  3. c sound must travel through a medium, it cannot travel through a vacuum
  4. d sound, light, magnetic, and heat
  5. e particles move in the same direction that the wave propagates

5 Multiple choice questions

  1. pressure, density, and distance
  2. oscillations in acoustic variables
  3. when multiple beams arrive at an identical location at exactly the same time and thereby lose their individual characteristics and combine to form a single wave
  4. the effects of the medium upon the sound wave (compression and rarefication)
  5. cm,mm

5 True/False questions

  1. interference of waves with different frequenciesoscillations in acoustic variables

          

  2. what is constructive interferencethe 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. destructive interferencethe 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

          

  4. sound waves are also known assound pulses through biologic tissue or media and reflections arising from structures in the body return to the xducer and are processed into images

          

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

          

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