Nuclei

JEE Advanced · Physics · 28 past questions

9 of 28 · show all

1. Q2 2023 Paper 2

   In a radioactive decay process, the activity is defined as $A = -\frac{dN}{dt}$, where $N(t)$ is the number…

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2. Q5 2022 Paper 2

   In a radioactive decay chain reaction, ${}^{230}_{90}$Th nucleus decays into ${}^{214}_{84}$Po nucleus. The…

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3. Q6 2021 Paper 1

   A heavy nucleus $Q$ of half-life 20 minutes undergoes alpha-decay with probability of 60% and beta-decay with…

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4. Q11 2018 Paper 2

   In a radioactive decay chain, $^{232}_{90}$Th nucleus decays to $^{212}_{82}$Pb nucleus. Let $N_\alpha$ and…

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5. Q15 2016 Paper 2

   An accident in a nuclear laboratory resulted in deposition of a certain amount of radioactive material of…

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6. Q19 2013 Paper 1

   A freshly prepared sample of a radioisotope of half-life 1386 $s$ has activity $10^3$ disintegrations per…

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7. Q22 2013 Paper 2

   Match List I of the nuclear processes with List II containing parent nucleus and one of the end products of…

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8. Q23 2011 Paper 1

   The activity of a freshly prepared radioactive sample is $10^{10}$ disintegrations per second, whose mean…

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9. Q25 2009 Paper 1

   Paragraph for Question Nos. 53 to 55…

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