Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Atoms and Nuclei question

2023 · Shift 1 · Q48
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Physics
  4. /Atoms and Nuclei
  5. /2023 · Shift 1 · Q48

Atoms and Nuclei question

2023 · Shift 1 · Q48

JEE AdvancedPhysicsAtoms and NucleiMCQ+3 / −1
List-I shows different radioactive decay processes and List-II provides possible emitted particles. Match each entry in List-I with an appropriate entry from List-II, and choose the correct option.

List - I List - II
(P) 92238U→91234 Pa{ }_{92}^{238} U \rightarrow{ }_{91}^{234} \mathrm{~Pa}92238​U→91234​ Pa (1) one α\alphaα particle and one β+\beta^{+}β+ particle
(Q) 82214 Pb→82210 Pb{ }_{82}^{214} \mathrm{~Pb} \rightarrow{ }_{82}^{210} \mathrm{~Pb}82214​ Pb→82210​ Pb (2) three β−\beta^{-}β− particles and one α\alphaα particle
(R) 81210Tl→82206 Pb{ }_{81}^{210} \mathrm{Tl} \rightarrow{ }_{82}^{206} \mathrm{~Pb}81210​Tl→82206​ Pb (3) two β−\beta^{-}β− particles and one α\alphaα particle
(S) 91228 Pa→88224Ra{ }_{91}^{228} \mathrm{~Pa} \rightarrow{ }_{88}^{224} \mathrm{Ra}91228​ Pa→88224​Ra (4) one α\alphaα particle and one β−\beta^{-}β− particle
(5) one α\alphaα particle and two β+\beta^{+}β+ particles
  1. A
    P→4,Q→3,R→2,S→1P \rightarrow 4, Q \rightarrow 3, R \rightarrow 2, S \rightarrow 1P→4,Q→3,R→2,S→1
  2. B
    P→4,Q→1,R→2,S→5P \rightarrow 4, Q \rightarrow 1, R \rightarrow 2, S \rightarrow 5P→4,Q→1,R→2,S→5
  3. C
    P→5,Q→3,R→1,S→4P \rightarrow 5, Q \rightarrow 3, R \rightarrow 1, S \rightarrow 4P→5,Q→3,R→1,S→4
  4. D
    P→5,Q→1,R→3,S→2P \rightarrow 5, Q \rightarrow 1, R \rightarrow 3, S \rightarrow 2P→5,Q→1,R→3,S→2
PreviousNext

More from Atoms and Nuclei

  • In a radioactive decay process, the activity is defined as A=−dtdN​, where N(t) is the number of radioactive nuclei at time t. Two radioactive sources, S1​ and S2​ have same activity at time t=0. At a later time, the…2023 · Numerical
  • The minimum kinetic energy needed by an alpha particle to cause the nuclear reaction 716​ N+24​He→11​H+819​O in a laboratory frame is n(in MeV.…2022 · Numerical
  • The binding energy of nucleons in a nucleus can be affected by the pairwise Coulomb repulsion. Assume that all nucleons are uniformly distributed inside the nucleus. Let the binding energy of a proton be Ebp​ and the binding energy…2022 · Multiple correct
  • In a radioactive decay chain reaction, 90230​Th nucleus decays into 84214​Po nucleus. The ratio of the number of α to number of β− particles emitted in this process is ​…2022 · Numerical
  • A heavy nucleus Q of half-life 20 minutes undergoes alpha-decay with probability of 60% and beta-decay with probability of 40%. Initially, the number of Q nuclei is 1000. The number of alpha-decays of Q in the first one hour is2021 · MCQ
  • Which of the following statement(s) is(are) correct about the spectrum of the hydrogen atom?2021 · Multiple correct
  • A heavy nucleus N, at rest, undergoes fission N → P + Q, where P and Q are two lighter nuclei. Let δ= MN − MP − MQ, where MP, MQ and MN are the masses of P, Q and N, respectively. EP and EQ are the kinetic energies of P and…2021 · Multiple correct
  • A particle of mass m moves in circular orbits with potential energy V(r) = Fr, where F is a positive constant and r is its distance from the origin. Its energies are calculated using the Bohr model. If the radius of the particle’s orbit is…2020 · Multiple correct