Physics · 2012
NEET 2012 · Mains · Code C · Q83
The half life of a radioactive nucleus is 50 days. The time interval ( t_2-t_1 ) between the time t_2 when 2/3 of it has decayed and the time t_1…
The half life of a radioactive nucleus is $\displaystyle 50$ days. The time interval ($\displaystyle t_2-t_1$) between the time $\displaystyle t_2$ when $\displaystyle \frac{2}{3}$ of it has decayed and the time $\displaystyle t_1$ when $\displaystyle \frac{1}{3}$ of it had decayed is :
Official answer
(4)
$\displaystyle 50$ days
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NEET (UG) 2012 Physics question, with the answer from NTA’s final answer key. Where our answers come from.