Physics GCSE
irradiation
What irradiation means in Physics GCSE, as defined for AQA, OCR.
Definitions of irradiation
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Reference: AQA
Exposure to radiation from a source outside the object, where the source stays where it is and only the radiation reaches the object.
Exposure to radiation passing through from a source that stays outside the body, so the person does not become radioactive.
The process of exposing an object to nuclear radiation from a source that stays outside the object.
Exposure to radiation, which stops when the source is removed or shielded.
Topics that use irradiation
- Radioactive contamination (AQA GCSE)
- Uses and hazards (OCR GCSE)
Related terms
- contamination
- alpha inside the body
- chain reaction
- decay in contact with tissue
- duration of exposure
- Half-life
- internal versus external hazard
- ionising power
Using irradiation in the exam
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