number of half-lives
What number of half-lives means in Physics GCSE, as defined for AQA.
Definition of number of half-lives
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Reference: AQA
Found by halving repeatedly or by writing the fall as a power of two.
Topics that use number of half-lives
Related terms
- background correction
- constant chance of decay
- fraction not number
- net decline as a ratio
- random decay
- steepest curve
- why activity falls
- dice model
Using number of half-lives in the exam
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