Physics · 2021
JEE Main · 3 August 2021, Shift 2 · Q25
A sample undergoing beta decay, reduced to 1/16^th of its initial mass in 48 years. Its half life period is \ \ \ \ years.
A sample undergoing beta decay, reduced to $\displaystyle \frac{1}{16}^{\text {th }}$ of its initial mass in $\displaystyle 48$ years. Its half life period is \_\_\_\_ years.
Official answer
12
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.