A sample contains 10⁻² kg each of two...| Nuclear Physics | JEE Main

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JEE MAIN 2022

24-06-22 S2

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A sample contains $10^{-2} \mathrm{~kg}$ each of two substances $A$ and $B$ with half lives 4 s and 8 s respectively. The ratio of then atomic weights is $1: 2$. The ratio of the amounts of $A$ and $B$ after $16 s$ is $\frac{x}{100}$. the value of $x$ is $\_\_\_\_$ .

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