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

2024 · 9 Apr · Shift 2 · Q64
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Atoms and Nuclei
  5. /2024 · 9 Apr · Shift 2 · Q64

Atoms and Nuclei question

2024 · 9 Apr · Shift 2 · Q64

JEE MainPhysicsAtoms and NucleiMCQ+4 / −1
A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of 2:12: 12:1. After disintegration they will move :
  1. A
    in opposite directions with speed in the ratio of 1:21: 21:2 respectively.
  2. B
    in the same direction with same speed.
  3. C
    in opposite directions with speed in the ratio of 2:12: 12:1 respectively.
  4. D
    in opposite directions with the same speed.
PreviousNext

More from Atoms and Nuclei

  • The energy released in the fusion of 2 kg of hydrogen deep in the sun is EH​ and the energy released in the fission of 2 kg of 235U is EU​. The ratio EU​EH​​ is approximately:…2024 · MCQ
  • A hydrogen atom in ground state is given an energy of 10.2 eV. How many spectral lines will be emitted due to transition of electrons?2024 · MCQ
  • The radius of third stationary orbit of electron for Bohr's atom is R. The radius of fourth stationary orbit will be:2024 · MCQ
  • In a nuclear fission process, a high mass nuclide (A≈236) with binding energy 7.6 MeV/ Nucleon dissociated into middle mass nuclides (A≈118), having binding energy of 8.6 MeV/Nucleon…2024 · Numerical
  • The atomic mass of 6​C12 is 12.000000 u and that of 6​C13 is 13.003354 u. The required energy to remove a neutron from 6​C13, if mass of neutron is 1.008665 u…2024 · MCQ
  • If Rydberg's constant is R, the longest wavelength of radiation in Paschen series will be 7Rα​, where α=​.2024 · Numerical
  • The explosive in a Hydrogen bomb is a mixture of 1​H2,1​H3 and 3​Li6 in some condensed form. The chain reaction is given by ​3​Li6+0​n1→2​He4+1​H31​H2+1​H3→2​He4+0​n1​…2024 · MCQ
  • When a hydrogen atom going from n=2 to n=1 emits a photon, its recoil speed is 5x​ m/s. Where x=​. (Use, mass of hydrogen atom =1.6×10−27 kg)2024 · Numerical