Waves

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Across
  1. 4. law that states that angle of wave equals angle of reflection
  2. 5. point that does not move
  3. 6. point where ampitude of wave is at its max
  4. 7. two waves touch
  5. 10. line drawn perpendicular to the surface
  6. 11. a surface containing points affected in the same wave
Down
  1. 1. a wave that oscillates in time but amplitude does not change
  2. 2. principle that states that when two waves cross, the resultant displacement is the sum of displacements
  3. 3. wave travels across a boundary from one medium to another
  4. 4. change in direction of a wave
  5. 8. wave that returns
  6. 9. indicates the direction of propagation of a wave