Across
- 2. unit of frequency
- 7. Type of wave where vibrations are perpendicular to the direction of energy transfer.
- 8. Time taken for a wave to complete one cycle.
- 10. length of one wave
- 12. Type of wave where vibrations are parallel to the direction of energy transfer.
Down
- 1. If the frequency of a wave decreases, what will happen to the wavelength?
- 3. What will diffract move? Large or small wavelength
- 4. The number of waves that pass a point in one second.
- 5. What are the units for sound level?
- 6. When waves bend around a barrier or through a gap.
- 9. Sound waves above 20,000Hz.
- 11. What type of wave travels at 340 m/s?
- 13. What type of wave travels at 300,000,000 m/s?