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Give the equation of half-life of radioactive element. |
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Answer» Radioactive decay is first order reaction so half life =0.693/k Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive material to decrease by one-half. |
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