Key term for AQA GCSE Physics, used in Hazards and Uses of Radiation.
The rate at which a source of unstable nuclei decays, measured in Becquerels (Bq).
Activity appears in AQA GCSE Physics revision content for Atomic structure, especially Hazards and Uses of Radiation and Different half-lives of radioactive isotopes.
Atomic structure
Different half-lives of radioactive isotopes
Atomic structure
Half-lives and the random nature of radioactive decay
Atomic structure
Radioactive decay and nuclear radiation
Atomic structure
Radioactive contamination
Atomic structure
Hazards and Uses of Radiation • Different half-lives of radioactive isotopes
Atomic structure
Nuclear Radiation • Half-lives and the random nature of radioactive decay
Atomic structure
Nuclear Radiation • Radioactive decay and nuclear radiation
Atomic structure
Nuclear Radiation • Radioactive contamination
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