Uses of Radioactive Materials-P4

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  • Created by: Shannon
  • Created on: 03-04-13 11:11
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  • Uses of radioactive materials
    • Radioactive tracers
      • Beta emission
        • Iodine is ingested- see if there is a tumour
    • Dating rocks using uranium decay
    • Phosphorous-reveal the extent of bone cancer
      • Need a short half life
    • Gamma Knife
      • Precisely focused beams of radiation
      • Prevent damage to healthy tissue
    • Pipe leaks
      • Gamma radiation
      • Build up of radiation identifies a leak in the pipe
    • Smoke alarms
      • Ionisation chamber
        • Smoke particles clog up this
      • Americium-radioactive material
      • Electric current circuit-electrodes
  • Gamma-less dangerous than surgery
    • Gamma Knife
      • Precisely focused beams of radiation
      • Prevent damage to healthy tissue

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