Define half-life
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Posted by Vaibhav Thakur 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
The half-life of a radioactive substance, as the name suggests is the time taken for half its radioactive atoms to decay. Half-life of a radioactive substance is defined as the time during which the number of atoms of the substance are reduced to half their original value. It is not generally possible to predict when a particular atom will decay or not. However, with the help of half-life it becomes possible to calculate the time taken by half of the nuclei of radioactive substance to decay. There may be several definitions of half-life, but they basically imply the same thing.
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