Physics

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Across
  1. 1. requires a medium to propagate
  2. 4. distance sound can travel per unit time
  3. 6. can detect and measure blood flow
  4. 10. difference between the minimum and maximum
  5. 12. inverse of frequency
  6. 13. cycles/sec
Down
  1. 2. rectangular display
  2. 3. sound into electricity
  3. 5. electricity into sound
  4. 7. particles move in same direction as wave
  5. 8. used in abdomen, pelvic, and Ob/GYNE
  6. 9. pie shaped
  7. 11. distance between two wave compressions