Sound Interaction

12345678910111213141516171819
Across
  1. 2. change in direction of the sound
  2. 6. above 20,000 Hz
  3. 9. distance of one cycle
  4. 10. progressive weakening of the sound
  5. 12. density x speed
  6. 13. below 20Hz
  7. 16. concentration of mass per volume
  8. 17. distance to the reflector
  9. 18. based on a logarithmic scale
  10. 19. high density and pressure
Down
  1. 1. low density and pressure
  2. 3. redirection of sound in many directions
  3. 4. number of cycles
  4. 5. rate at which energy is transmitted
  5. 7. range of frequencies
  6. 8. time to complete one cycle
  7. 11. energy is dissipated in the form of heat
  8. 14. above 20 HZ and below 20,000 Hz
  9. 15. reflector smaller than the wavelength