Waves

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Across
  1. 2. Number of cycles completed by the wave in one second
  2. 6. Type of wave where particle movement is parallel to the direction of propagation
  3. 7. Type of wave that needs a medium to propagate
  4. 8. An example of a longitudinal wave
  5. 9. Time needed for the wave to complete one cycle
Down
  1. 1. Distance from one wave peak to another wave peak
  2. 3. Type of wave that does not need a medium to propagate
  3. 4. A type of mechanical wave where particle movement is perpendicular to the direction of propagation
  4. 5. Unit of wavelength