Chapter 4 Revison

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Across
  1. 3. When a trough meets a trough
  2. 8. First harmonic of a string
  3. 10. When a crest meets a trough
  4. 12. Oscillating electric and magnetic fields
  5. 13. When waves are continuously passing through each other
  6. 15. When two waves meet, the total displacement at a point is equal to the sum of the individual displacements
  7. 17. Point of no displacement
  8. 20. Distance between adjacent nodes
  9. 23. A wave that transfers energy from one point to another without transferring the medium itself
  10. 24. The number of complete waves passing a point per second
  11. 25. Contains two nodes and an antinode
  12. 27. Waves vibrating at the same frequency with a constant phase difference
  13. 31. Direction of vibration of particles is parallel to the waves travel direction
  14. 33. If the vibrations change from one plane to another
  15. 34. Lines of constant phase e.g. crests
  16. 36. Frequency of a sound wave
  17. 37. When passing a boundary, a wave can change speed, wavelength and direction
Down
  1. 1. When a crest meets a crest
  2. 2. Contains four nodes and three antinodes
  3. 4. Waves passing through a substance via vibrations
  4. 5. When a crest meets a crest, or a trough meets a trough
  5. 6. Fraction of a cycle between the vibrations of two particles vibrating at the same frequency
  6. 7. Time for one complete wave to pass a fixed point
  7. 9. Particle’s distance and direction from its equilibrium position
  8. 11. Frequency multiplied by wavelength
  9. 14. Unit for angles
  10. 16. Direction of vibration of particles is perpendicular to the waves travel direction
  11. 18. Contains three nodes and two antinodes
  12. 19. Fraction of a wave cycle completed since the start of the wave cycle
  13. 21. Electron tube where an electron gun emits electrons towards a fluorescent screen
  14. 22. a wave formed by the superposition of two progressive waves of the same frequency and amplitude travelling in the opposite direction
  15. 26. Point of maximum displacement
  16. 28. If the vibrations stay in one plane only
  17. 29. From one maximum displacement to the next
  18. 30. Maximum displacement of a vibrating particle
  19. 32. Distance between adjacent crests
  20. 35. Shallow transparent tray with sloping slides