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5 Written questions

5 Matching questions

  1. Wavelength
  2. Amplitude
  3. Natural Frequency
  4. Destructive Interference
  5. Forced Vibration
  1. a the interference that occurs when two waves combine to make a wave with a smaller amplitude
  2. b frequencies at which an object will vibrate when it is struck or disturbed
  3. c the maximum displacement of a periodic wave
  4. d the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave
  5. e the vibration of an object that is made to vibrate by another vibrating object

5 Multiple choice questions

  1. how high or low a sound is
  2. periodic motion in which the restoring force is proportional to the displacement
  3. the point of maximum displacement in a periodic system
  4. wiggle in space
  5. the part of a longitudinal wave where the particles of the medium are close together

5 True/False questions

  1. Hertzreach a high point


  2. Wavethe point of minimum displacement in a periodic system


  3. Rarefactionthe least dense region of a compressional wave


  4. Resonancethe number of occurrences of a wave within a given time period (usually 1 second)


  5. Crestthe unit of frequency