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5 Written questions

5 Matching questions

  1. diffraction examples
  2. reflection examples
  3. amplitude
  4. mechanical wave
  5. 2 relationships for waves
  1. a light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  2. b 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)
  3. c mirror (light waves), echo (sound waves), RADAR (radio waves)
  4. d
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  5. e waves that transfer energy through matter

5 Multiple choice questions

  1. any substance that a wave moves through
  2. 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
  3. the spreading out of waves through an opening or around the edges of an obstacle
  4. Sound, ocean waves, earthquakes
  5. the meeting and combining of waves

5 True/False questions

  1. Waves caused by vibrations of atomsInfrared


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


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


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


  5. wavea disturbance that transfers energy from one place to another


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