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5 Written questions

5 Matching questions

  1. interference
  2. medium
  3. diffraction examples
  4. reflection examples
  5. wavelength
  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 mirror (light waves), echo (sound waves), RADAR (radio waves)
  4. d any substance that a wave moves through
  5. e light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 Multiple choice questions

  1. the spreading out of waves through an opening or around the edges of an obstacle

  2. highest point (peak) of a wave

  3. lowest point (valley) of a wave
  4. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)
  5. when waves combine to a larger amplitude

5 True/False questions

  1. refractionthe bending of a wave as it enters a new medium at an angle other than 90 degrees


  2. Examples of mechanical wavesRadio, infrared (IR), light


  3. frequency
    highest point (peak) of a wave


  4. 2 relationships for waves1) 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. amplitude
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough