P3 1.1- X-Rays

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  • P3 1.1- X-Rays
    • X-Rays can cause cancer but can also treat cancer
    • X-Rays are used in hospitals to make images and CT scans and to destroy tumours at or near the body surface
    • X-Rays can damage living tissue when they pass through it
      • This is called ionisation
    • X-Rays are absorbed more by bones and teeth than by soft tissue
    • X-Rays are part of the electromagnetic spectrum
      • They have a high frequency
      • They have a very short wavelength
    • Charge- coupled devices (CCDs) can be used to form electronic images of X-Rays


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