Question: Example 14: A certain radioactive element A, has a half-life = t seconds. In(t/2) seconds, the fraction of the initial quantity of the element

Example 14: A certain radioactive element A, has a half-life = t

Example 14: A certain radioactive element A, has a half-life = t seconds. In(t/2) seconds, the fraction of the initial quantity of the element so far decayed is nearly : (a) 25% (b) 29% (d) 17% (c) 21%

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