CROSSWORD PHYSICS

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Across
  1. 3. lowest points
  2. 5. stationary wave
  3. 6. one divided by frequency
  4. 7. one-half the length of the vibration path
  5. 9. distance between successive crests
  6. 12. vibrating at right angles
  7. 14. effect of the combination of two or more wave trains moving
  8. 16. wave has minimum amplitude
  9. 17. takes place with sound
Down
  1. 1. highest points
  2. 2. maximum amplitude
  3. 4. non-sinusoidal waveform
  4. 8. mechanical wave
  5. 10. particle displacement is parallel
  6. 11. moves with constant speed
  7. 13. the angle of incidence
  8. 15. waves in deep water travel faster than in shallow
  9. 18. one divided by period