Across
- 3. created from reflected way and the normal
- 8. a reference line perpendicular to a boundary to prove and determine angles of incident and reflected rays
- 9. a mechanical wave that vibrates parallel and perpendicular to the direction of the wave
- 11. single and non-repeating wave
- 12. point of zero displacement in a standing wave from destructive interference
- 14. peak of the wave
- 16. time for one wave
- 17. created from incident ray and the normal
- 20. two waves interfere to make a larger composite wave
- 22. angle of incidence and angle of reflection are the same
- 23. lowest point of the wave
- 24. a mechanical wave that vibrates perpendicular to the direction of the wave
Down
- 1. displacement from the equilibrium position
- 2. two waves interfere to make a smaller composite wave
- 4. the medium moves in the direction of the wave
- 5. the interaction of waves due to superposition
- 6. displacement of a medium caused by two or more waves’ algebraic sum of the displacements
- 7. number of waves per second
- 10. point of maximum displacement in s standing wave from construction interference
- 13. wave spreads out due to encountering a narrow aperture
- 15. a mechanical wave that vibrates parallel to the direction of the wave
- 18. distance between points repeating in the wave pattern
- 19. vibrational pattern created by waves of opposite direction but same frequency
- 21. change of wave direction at the boundary between two media