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5 Written questions

5 Matching questions

  1. interference
  2. Heat
  3. Boiling point of water in K
  4. SI unit for acceleration
  5. reflection
  1. a m/s² (meters per second squared)
  2. b 373K
  3. c the meeting and combining of waves
  4. d the TOTAL kinetic energy of an object's particles due to non-directional motion at the atomic level
  5. e the bouncing back of a wave as it strikes a barrier

5 Multiple choice questions

  1. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  2. C + 273 = K
  3. 100°C
  4. speed is decreasing
  5. Sound, ocean waves, earthquakes

5 True/False questions

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


  2. EM Waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)


  3. Heat flowalways goes from hot to cold


  4. mediummass x speed


  5. Acceleration is zerothe object is not chaning speed (is not moving or is moving with constant speed)