Preetydey02 Preetydey02

27-05-2017
Chemistry

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A radioactive element is half disintegrated in 40 minutes. What is the time required for the decay of 75% of the element

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eagerreader eagerreader

27-05-2017

80 minutes its half life is 40 mins and another 40 would decay half of the 50% left currently

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