Across
- 6. The time for one complete wave to pass (4,6)
- 8. The unit for frequency
- 12. Device used to display oscillations on a screen against time (12)
- 13. the construction line against which angles are measured (6)
- 14. Type of sound wave of frequency above human hearing frequency (20 kHz) (10)
- 17. The change of speed of light due to change of medium, often causing direction change (10)
- 18. Type of wave, of which x-rays and radio waves are this sort, as well as UV, visible and microwaves (14)
- 19. The stuff through which a wave travels
- 20. Transfer of energy without net transfer of particles (4)
Down
- 1. The maximum displacement from the resting point
- 2. A wave bouncing off a boundary, eg mirror. (10)
- 3. Type of wave where displacement is parallel to the wave motion (12)
- 4. The number of waves passing a point per second
- 5. A type of wave where displacement is perpendicular to wave motion (10)
- 7. Apparatus used to demonstrate waves in a lab (6,4)
- 9. Incoming wave (8)
- 10. The speed of a wave
- 11. A typical example of a longitudinal wave (5)
- 15. Device used to measure seismic wave amplitude (11)
- 16. Waves which travel through the earth's crust and cause ground shake (10)