Sonography Physics CrossWord

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Across
  1. 3. more particles apart
  2. 8. not as bright as surrounding tissues
  3. 9. concentration of force
  4. 10. number of complete wavelengths produced per second
  5. 11. particle motion that is perpendicular to the wave propagation direction
  6. 14. maximum variation of a variable from its mean value
  7. 15. mass per volume
Down
  1. 1. brighter than normal
  2. 2. ability to bounce an echo
  3. 4. the wave that needs a medium to propagate
  4. 5. more particles together
  5. 6. effect the principle of converting energy by applying pressure to a crystal
  6. 7. the combination of transducer, the ultrasound system and the user
  7. 12. the distance between consecutive corresponding points
  8. 13. the time it takes for the wave to transition from compression through rarefaction and back to compression