Physics GCSE
activity against duration
What activity against duration means in Physics GCSE, as defined for AQA.
Definition of activity against duration
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Reference: AQA
A short half-life gives a high activity and a large dose over a short time, while a long half-life gives a lower activity but a hazard lasting a very long time.
Topics that use activity against duration
- Different half-lives of radioactive isotopes (AQA GCSE)
Related terms
- activity and half-life
- hazard over time
- medical tracers
- unit conversion
- waste storage
- range of half-lives
- steepness of decay curve
Using activity against duration in the exam
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