Physics Crossword

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Across
  1. 3. Classical interactions are also called
  2. 4. When x-ray photons are attenuated by the body and do not reach the IR this is
  3. 6. Which interaction loses one third of it's energy
  4. 8. When x-ray photons pass through the body and reach the IR this is
  5. 9. Caused by Compton interaction on the IR
  6. 10. Photoelectric interactions interact with what shell
  7. 11. Pair production occurs when the incident photon interacts with the
Down
  1. 1. The charge of electrons required for photodisintigration to occur is
  2. 2. This occurs when extremely high energy photons strike the nucleus and it ejects a nuclear particle
  3. 5. What happens to tissue in photoelectric interactions
  4. 7. Large molecules made up of thousands of atoms