Physics GCSE
powers of two
What powers of two means in Physics GCSE, as defined for AQA.
Definition of powers of two
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Reference: AQA
The factor the emission has fallen by is written as a power of two to get the number of half-lives.
Topics that use powers of two
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 powers of two in the exam
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