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5 Written questions

5 Matching questions

  1. 2 relationships for waves
  2. Examples of EM Waves
  3. amplitude
  4. interference
  5. EM Wave
  1. a electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)
  2. b
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  3. c the meeting and combining of waves
  4. d Radio, infrared (IR), light
  5. e 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 Multiple choice questions

  1. the bouncing back of a wave as it strikes a barrier

  2. lowest point (valley) of a wave
  3. the bending of a wave as it enters a new medium at an angle other than 90 degrees
  4. when waves cancel each other out
  5. mirror (light waves), echo (sound waves), RADAR (radio waves)

5 True/False questions

  1. refraction examplesa straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)

          

  2. diffraction examplesa straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)

          

  3. wavelength
    the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)

          

  4. crest
    highest point (peak) of a wave

          

  5. waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)