Nuclear Radiation
- Created by: HLeiper
- Created on: 16-04-14 10:45
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- Nuclear Radiation
- Uses
- Beta and Gamma rays used for medical tracers
- Penetrate through skin and body tissue
- Short half life - no damage
- Gamma Radiation used for industrial tracers
- If there is a crack high reading shown
- Short half life - no damage
- Gamma rays are used for radiotherapy
- Gamma zaps the cells to destroy the tumour
- Radioactive dating
- C-14 gets trapped in the dead material
- Tells you the age of dead material
- Number of half lives of C-14 have passed
- Ratio between C-14 and C-12
- Beta and Gamma rays used for medical tracers
- Risks
- Beta and Gamma - dangerous outside the body
- Alpha dangerous inside the body - strong ionising
- Cells mutations cause uncontrollable dividing - cancer
- More exposure = more risk
- Reducing risks
- Lead suits, screens and boxes
- Minimise exposure
- Avoid skin contact and looking at it
- Robot arms
- Uses
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