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5 Written questions

5 Matching questions

  1. reflection
  2. 2 relationships for waves
  3. EM Wave
  4. wave
  5. Examples of EM Waves
  1. a electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)
  2. b Radio, infrared (IR), light
  3. c a disturbance that transfers energy from one place to another
  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 the bouncing back of a wave as it strikes a barrier

5 Multiple choice questions

  1. 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

  2. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  3. the meeting and combining of waves

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

5 True/False questions

  1. constructive interferencewhen waves combine to a larger amplitude


  2. mediumany substance that a wave moves through


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


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


  5. destructive interferencewhen waves combine to a larger amplitude