Waves

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Across
  1. 8. Waves that do not need a medium to travel through.
  2. 10. Occurs when the phase difference between two waves is an integer multiple of 2pi.
  3. 12. The square of this value is proportional to the intensity of a wave.
  4. 13. The substance that determines the phase velocity of a mechanical wave.
  5. 15. The phenomenon that limits the resolving power.
Down
  1. 1. A wave where the matter moves in the same direction as the wave.
  2. 2. When a wave strikes an object and bounces off.
  3. 3. The distance from one crest to the next.
  4. 4. The number of waves that pass a point in one second.
  5. 5. A wave where particles move perpendicular to the direction of travel.
  6. 6. Describes how fast a wave travels through a medium.
  7. 7. The ordered distribution of radiation from radio to gamma.
  8. 9. The perceived frequency shift due to relative motion
  9. 11. Bending when entering a new medium
  10. 14. Occurs when two waves are out of phase.