Chapter 15 Vocabulary

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Across
  1. 3. occurs when two waves of the same frequency and amplitude are moving in opposite directions and interfere with each other
  2. 4. the net effect of the combination of two or more wave trains moving on intersecting paths
  3. 5. when two waves overlap so that they cancel each other out.
  4. 7. The time interval of single repetition of a varying quantity of a motion or phenomenon which repeats itself regularly
  5. 9. the maximum distance moved by a point on a vibrating wave measured from its equilibrium position.
  6. 10. lowest point on the wave
  7. 12. change of direction when the wave meets a boundary
  8. 15. motion in which all points on a wave moves along paths at right angles to the direction of the wave's advance
  9. 16. the number of waves that pass a fixed point in time
  10. 17. wave consisting of a periodic disturbance or vibration that takes place in the same direction as the advance of the wave
  11. 18. the spreading of waves around obstacles
Down
  1. 1. when two waves overlap so that they combine to create a larger wave
  2. 2. highest point of the wave
  3. 6. responsible for the transfer of energy through a medium
  4. 8. the change in wave frequency during the relative motion between a wave source and its observer
  5. 11. the length of one wave to another
  6. 13. substance that transfers the energy
  7. 14. the change in direction of a wave passing from one medium to another caused by its change in speed