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5 Written questions

5 Matching questions

  1. diffraction examples
  2. wave
  3. amplitude
  4. diffraction
  5. 2 relationships for waves
  1. a the spreading out of waves through an opening or around the edges of an obstacle
  2. b
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  3. c 1) speed and frequency = directly proportional
    (as speed goes up, frequency goes up)
    2) wavelength and frequency = inversely proportional
    (as wavelength gets longer, frequency goes down)
  4. d light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  5. e a disturbance that transfers energy from one place to another

5 Multiple choice questions

  1. the meeting and combining of waves
  2. the bending of a wave as it enters a new medium at an angle other than 90 degrees

  3. highest point (peak) of a wave
  4. when waves cancel each other out
  5. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)

5 True/False questions

  1. trough
    lowest point (valley) of a wave


  2. Examples of EM WavesRadio, infrared (IR), light


  3. constructive interferencewhen waves combine to a larger amplitude


  4. mechanical wavewaves that transfer energy through matter


  5. reflectionthe bouncing back of a wave as it strikes a barrier


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