X rays

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  • Created by: Najeeha
  • Created on: 17-05-14 13:39
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  • X-Rays
    • Uses
      • Looking at bones in the body
      • security scanners to view internal structures of objects
      • art historians to see if a painting has been painted on top of another one
    • Sources
      • stars and some types of nebula
      • X ray machine works by firing concentrated beams of electrons at a target
    • Dangers
      • Cell muation leading to cancer
      • Damage cells or cause cell death
    • Precautions
      • Have as few X rays as possible and exposure hould be of shortest time possible
      • radiographers must stand behind a screen  and wear leadlined clothing


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