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5 Written Questions

5 Matching Questions

  1. 2 relationships for waves
  2. constructive interference
  3. Examples of EM Waves
  4. Waves caused by vibrations of atoms
  5. refraction 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 when waves combine to a larger amplitude
  3. c Infrared
  4. d Radio, infrared (IR), light
  5. e a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)

5 Multiple Choice Questions

  1. when waves cancel each other out
  2. any substance that a wave moves through
  3. the spreading out of waves through an opening or around the edges of an obstacle
  4. light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  5. the meeting and combining of waves

5 True/False Questions

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

          

  2. EM Wavea disturbance that transfers energy from one place to another

          

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

          

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

          

  5. waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)

          

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