Long half-life
What Long half-life means in Physics GCSE, as defined for OCR.
Definition of Long half-life
Check what you remember
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Reference: OCR
Activity falls slowly, so the material remains hazardous for a long time and persists in the environment.
Topics that use Long half-life
- Uses and hazards (OCR GCSE)
Related terms
- chain reaction
- contamination
- Half-life
- irradiation
- Mass-energy conversion
- Medical uses of nuclear radiation
- neutron absorption
- nuclear fission
Using Long half-life in the exam
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