Physics 11 Crossword

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Across
  1. 2. The number of waves in a second
  2. 5. A wave that causes particles to vibrate both parallel and perpendicular to the direction of the wave
  3. 11. When two waves combine to create a smaller composite wave
  4. 14. The distance between the points where the wave repeats itself once
  5. 16. A wave that causes particles to vibrate perpendicular to the direction of the wave
  6. 17. The process through which a wave spreads out by passing through a narrow aperture or an edge
  7. 18. When two waves combine to create a larger composite wave
  8. 19. A line perpendicular to the surface of a reflecting surface
  9. 20. The angle between a reflected ray and the normal
Down
  1. 1. A wave that causes particles to vibrate parallel to the direction of the wave
  2. 3. The maximum height/displacement from equilibrium
  3. 4. A high point on the wave
  4. 6. A point where displacement is zero in a wave
  5. 7. Displacement caused by two or more waves is the sum of the displacements caused by the individual waves
  6. 8. The change in wave direction at a boundary between two substances
  7. 9. The time interval where the wave repeats itself once
  8. 10. A single, non-repeating wave
  9. 12. A low point on the wave
  10. 13. The angle between an incident ray and the normal
  11. 15. A point where displacement is at its maximum