Across
- 3. The wavelength of a wave is _________ in deep water than shallow water
- 5. A shallow tray of water often used in experiments to demonstrate the properties of waves
- 7. The unit of period
- 10. - The distance and direction of a vibrating particle from its position of equilibrium
- 13. The shorter the frequency of a wave, the longer its wavelength
- 16. The angle of incidence, reflection and refraction are measured from this line
- 17. The time taken for one complete wave to pass a fixed point
- 19. The least distance between two adjacent vibrating particles with the same displacement and velocity at the same time
- 20. The unit of frequency
Down
- 1. Waves spread out more when they have a _________ wavelength
- 2. The number of cycles of vibration of a particle per second
- 4. During reflection, the angle of ____________ is equal to the angle of reflection
- 6. The unit of wavelength
- 8. The wave phenomena where waves spread out after passing through a gap or around an obstacle
- 9. The fraction of a cycle that has been completed since the start of the cycle
- 11. Waves travel _______ in shallow water than deep water
- 12. Waves spread out more when moving through a more _______ gap
- 14. The maximum displacement of a vibrating particle
- 15. The wave phenomena that sees a wave change speed and direction when approaching a boundary at an angle
- 18. Light waves travel more _________ in glass than air
