Across
- 2. The frequency and ___ give the same information.
- 4. Sound is a ____ wave (needs a medium).
- 7. Unit for frequency.
- 8. Pressure, density, particle motion (aka distance) and _______ are acoustic variables.
- 9. ____ travels through the body at 1540m/s.
Down
- 1. Region in a longitudinal wave where the particles of a medium are spread furthest apart.
- 3. One of the four wave characteristics
- 5. ____ waves are when the particle moves in the same direction as the wave propagation direction.
- 6. Important wave characteristic for depth of the soundwave and resolution of the image.