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5 Written Questions

5 Matching Questions

  1. diffraction examples
  2. SI unit for acceleration
  3. amplitude
  4. Heat
  5. destructive interference
  1. a the TOTAL kinetic energy of an object's particles due to non-directional motion at the atomic level
  2. b m/s² (meters per second squared)
  3. c light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  4. d when waves cancel each other out
  5. e
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough

5 Multiple Choice Questions

  1. must convert to Celsius first, THEN to Kelvin
  2. water
  3. 212°F
  4. the bouncing back of a wave as it strikes a barrier
  5. 0°C

5 True/False Questions

  1. Velocity is zerospeed and direction


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


  3. frequencythe 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


  4. momentummass x speed


  5. example of low specific heatwater


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