Physics · 2023
JEE Main · 8 April 2023, Shift 2 · Q44
A radio active material is reduced to 1 / 8 of its original amount in 3 days. If 8 × 10^-3 kg of the material is left after 5 days the initial amount…
A radio active material is reduced to $\displaystyle 1 / 8$ of its original amount in $\displaystyle 3$ days.
If $\displaystyle 8 \times 10^{-3} \mathrm{~kg}$ of the material is left after $\displaystyle 5$ days the initial amount of the material is
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 256$ g
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.