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5 Written questions

5 Matching questions

  1. constructive interference
  2. medium
  3. 2 relationships for waves
  4. diffraction examples
  5. EM Wave
  1. a when waves combine to a larger amplitude
  2. b any substance that a wave moves through
  3. c electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)
  4. d 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. e light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 Multiple choice questions

  1. waves that transfer energy through matter

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

  3. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  4. the meeting and combining of waves
  5. the bending of a wave as it enters a new medium at an angle other than 90 degrees

5 True/False questions

  1. Waves caused by vibrations of atomsSound, ocean waves, earthquakes


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


  3. Examples of mechanical wavesSound, ocean waves, earthquakes


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


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


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