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5 Written questions

5 Matching questions

  1. diffraction examples
  2. 2 relationships for waves
  3. wavelength
  4. mechanical wave
  5. interference
  1. a light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  2. b
    the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  3. c the meeting and combining of waves
  4. d 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)
  5. e waves that transfer energy through matter

5 Multiple choice questions

  1. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  2. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)

  3. lowest point (valley) of a wave
  4. when waves cancel each other out
  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. Examples of EM WavesRadio, infrared (IR), light


  2. Examples of mechanical wavesSound, ocean waves, earthquakes


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


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


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


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