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Institute of Physics
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Episode 515: The Radioactive Decay Formula
Produced by the Institute of Physics, this learning episode will help students look mathematically at the meaning and relevance of the decay constant. A simple model is used to illustrate radioactive decay. The activities look at the decay constant and help students to link this with the half-life of an isotope. They include: • discussing the meaning of the decay constant • linking the decay constant with half-life • using dice to model decay rates • analogue experiments linking probability with decay rates
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