practice practical

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Across
  1. 3. negative side of the x-ray tube
  2. 5. film speed that ranges from 20-100
  3. 6. measures the quantity of radioactivity =37GBq
  4. 8. evidence that the test achieved sensitivity
  5. 10. background radiation that originates from space
  6. 12. another word for absorption
  7. 14. the SI unit that replaces RAD for dose in tissue
  8. 17. the positive side of an x-ray tube
  9. 18. instrument that measures radiation intensity
  10. 21. detection device for low-intensity areas
Down
  1. 1. phenomenon in which gamma rays are generated
  2. 2. making a radioisotope by bombarding neutrons
  3. 4. dose received by workers
  4. 7. describes the x-ray beam strength
  5. 9. an accelerator that consists of long coils
  6. 11. machine or material from which radiation emanates
  7. 13. the goal to keep all exposures
  8. 15. made of tungsten on the anode side of the tube
  9. 16. x-rays, gamma rays and alpha particles are all
  10. 19. dosimetry that uses a crystal of lithium fluoride
  11. 20. agency that regulates handling of radioisotopes