X-rays
- Created by: kerrmad09
- Created on: 23-01-14 19:46
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- X-rays
- They are high frequency, short wavelength electromagnetic waves.
- They are transmitted by healthy tissue.
- They are absorbed by bone and metal.
- They affect photographic film in the same way as visible light
- X-ray photographs can be used to diagnose many medical conditions.
- X-ray images can be formed electronically using charge-coupled devices (CCD's)
- X-ray's are ionising - they can damage living cells.
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