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29-01-2018
Physics

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An isotope decreased to one fourth its original amount in 18 months. What is the half life of this radioactive isotope?

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James2004 James2004

29-01-2018

The rate at which a radioactive isotope decays is measured in half-life. The term half-life is defined as the time it takes for one-half of the atoms of a radioactive material to disintegrate.

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