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5 Written questions

5 Matching questions

  1. reflection examples
  2. trough
  3. diffraction examples
  4. 2 relationships for waves
  5. Examples of mechanical waves
  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 light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  3. c mirror (light waves), echo (sound waves), RADAR (radio waves)
  4. d Sound, ocean waves, earthquakes
  5. e
    lowest point (valley) of a wave

5 Multiple choice questions


  1. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  2. when waves cancel each other out
  3. Radio, infrared (IR), light

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

5 True/False questions

  1. EM Waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)

          

  2. crest
    highest point (peak) of a wave

          

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

          

  4. interferencethe 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

          

  5. refraction examplesmirror (light waves), echo (sound waves), RADAR (radio waves)