Скачать или смотреть 27.2 Kinetics of Radioactive Decay | General Physics

Chad provides a thorough lesson on the Kinetics of Radioactive Decay. Radioactive decay undergoes exponential decay. The rate of decay is proportional to the number of radioactive nuclei, so as that number decreases, so does the rate of decay. The formulas describing the rate of radioactive decay are presented including the decay constant, a rate constant that is characteristic of a nuclide. Half life is also introduced and defined as the time required for half of a radioactive sample to decay. It is also shown how the half life for radioactive nuclides is constant and is dependent upon the decay constant. Finally, several kinetics of radioactive decay practice problems are solved involving rates of decay, half life, and the decay constant.

00:00 Lesson Introduction
00:55 Exponential Decay
03:19 Rate of Radioactive Decay
05:15 Half Life
11:01 Radioactive Decay Kinetics Problems

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