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5 Written Questions

5 Matching Questions

  1. Examples of EM Waves
  2. destructive interference
  3. interference
  4. frequency
  5. refraction examples
  1. a the number of waves passing a fixed point in a certain amount of time; it is based partly on wavelength (longer wavelengths take a longer time to pass) and partly on the speed the wave travels
  2. b a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  3. c the meeting and combining of waves
  4. d when waves cancel each other out
  5. e Radio, infrared (IR), light

5 Multiple Choice Questions

  1. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)
  2. a disturbance that transfers energy from one place to another
  3. the bouncing back of a wave as it strikes a barrier
  4. light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  5. Sound, ocean waves, earthquakes

5 True/False Questions

  1. trough
    highest point (peak) of a wave


  2. mechanical wavewaves that transfer energy through matter


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


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


  5. amplitudeany substance that a wave moves through


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