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Nuclei: JEE Mains 2022 June 29 Shift 1

Easy· Radioactivity and decay law· +4 / −1

The activity of a radioactive material is

2.56\times10^{-3}\ \text{Ci}

. If the half life of the material is

5

days, after how many days the activity will become

2\times10^{-5}\ \text{Ci}

?

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