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5 Written questions

5 Matching questions

  1. amplitude
  2. Examples of EM Waves
  3. EM Wave
  4. 2 relationships for waves
  5. diffraction examples
  1. a 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)
  2. b Radio, infrared (IR), light
  3. c electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)
  4. d light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  5. e
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough

5 Multiple choice questions

  1. a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  2. Infrared
  3. the meeting and combining of waves
  4. any substance that a wave moves through
  5. mirror (light waves), echo (sound waves), RADAR (radio waves)

5 True/False questions

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


  2. wavelengtha disturbance that transfers energy from one place to another


  3. mechanical wavewaves that transfer energy through matter


  4. constructive interferencewhen waves cancel each other out


  5. refractionthe bouncing back of a wave as it strikes a barrier


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