Across
- 5. a traveling variation of one or more quantities
- 6. element
- 10. density multiplied by sound propagation speed
- 11. one million cycles per second
- 13. conversion of sound to heat
- 14. mass divided by volume
- 15. a curved material that focuses a sound or light beam
- 16. a thin, flat, circular object
Down
- 1. a device that converts energy from one form to another
- 2. having a frequency greater than 20 kHz
- 3. length of space over which a cycle occurs
- 4. unit of power or intensity ratio
- 7. mnemonic for axial resolution
- 8. unit of impedance
- 9. mnemonic for lateral resolution
- 10. having a frequency less than 20 Hz
- 12. power divided by beam area