Three fourth of the active decays in a radioactive sample in $3/4\, sec$. The half life of the sample is
Three fourth of the active decays in a radioactive sample in $3/4\, sec$. The half life of the sample is
- A
$\frac{1}{2}\,sec$
- B
$1 \,sec$
- C
$\frac{3}{8}\, sec$
- D
$\frac{3}{4}\, sec$
Similar Questions
The half life of a radioactive substance is $20$ minutes. In $........\,minutes$ time,the activity of substance drops to $\left(\frac{1}{16}\right)^{ th }$ of its initial value.
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- [NEET 2023]
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The half life period of radioactive element ${x}$ is same as the mean life time of another radioactive element $y.$ Initially they have the same number of atoms. Then:
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