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5 Written Questions

5 Matching Questions

  1. frequency
  2. destructive interference
  3. Examples of mechanical waves
  4. Waves caused by vibrations of atoms
  5. reflection
  1. a the bouncing back of a wave as it strikes a barrier
  2. b Sound, ocean waves, earthquakes
  3. c Infrared
  4. d when waves cancel each other out
  5. e 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 Multiple Choice Questions

  1. the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  2. Radio, infrared (IR), light

  3. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  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. mechanical waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)


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


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


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


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


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