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5 Written questions

5 Matching questions

  1. mechanical wave
  2. wavelength
  3. interference
  4. diffraction
  5. reflection
  1. a the meeting and combining of waves
  2. b
    the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  3. c the spreading out of waves through an opening or around the edges of an obstacle
  4. d waves that transfer energy through matter
  5. e the bouncing back of a wave as it strikes a barrier

5 Multiple choice questions

  1. when waves cancel each other out
  2. a disturbance that transfers energy from one place to another
  3. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)
  4. 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)
  5. light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 True/False questions

  1. crest
    lowest point (valley) of a wave


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


  3. constructive interferencewhen waves cancel each other out


  4. trough
    highest point (peak) of a wave


  5. amplitude
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough