Question

A human body excretes ( removes by waste discharge sweating etc.) certain materials by a law similar to radioactivity. if technitium is injected in some form in a human  body.the body exerts half - the amount in 24hours . A patient is given an injection containing this isotope is radioactive with a half-life of 6 hours.the activity frim the body just after the injection is How much time will elapse before the activity falls to ?

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Updated on : 2022-09-05
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