GCSE Physics - Radioactive Decay & Half-life | How to Calculate Activity & Half-life (2026/27 exams)
6:48
YouTubeCognito
GCSE Physics - Radioactive Decay & Half-life | How to Calculate Activity & Half-life (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Radioactive Decay * An explanation of unstable isotopes and the random nature of radioactive decay. 2. Activity * A definition of activity as the rate of decay of a radioactive sample. * The unit for activity, the Becquerel (Bq), is explained. 3. Half-life ...
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