Physics · 2021
NEET 2021 · 12 September · Code M1 · Q30
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be:
The half-life of a radioactive nuclide is $\displaystyle 100$ hours. The fraction of original activity that will remain after $\displaystyle 150$ hours would be :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{1}{2 \sqrt{2}}$
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