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

2015 · Q127
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Atoms and Nuclei
  5. /2015 · Q127

Atoms and Nuclei question

2015 · Q127

NEETPhysicsAtoms and NucleiMCQ+4 / −1
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then
  1. A
    The helium nucleus has more momentum than the thorium nucleus.
  2. B
    The helium nucleus has less kinetic energy than the thorium nucleus.
  3. C
    The helium nucleus has more kinetic energy than the thorium nucleus.
  4. D
    The helium nucleus has less momentum than the thorium nucleus.
PreviousNext

More from Atoms and Nuclei

  • In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is2015 · MCQ
  • Consider 3rd orbit of He+ (Helium), using non-relativistic approach, the speed of electron in this orbit will be [given K = 9 × 109 constant, Z = 2 and h (Planck's Constant) = 6.6 × 10−34 J s]2015 · MCQ
  • Hydrogen atom in ground state is excited by a monochromatic radiation of λ = 975 A∘​. Number of spectral lines in the resulting spectrum emitted will be2014 · MCQ
  • The binding energy per nucleon of and nuclei are 5.60 MeV and 7.06 MeV respectively. In the nuclear reaction 37​Li+11​H→24​He+24​He+Q the value of energy Q released is2014 · MCQ
  • How does the Binding Energy per nucleon vary with the increase in the number of nucleons ?2013 · MCQ
  • An electron in hydrogen atom makes a transition n1 → n2 where n1 and n2 are principal quantum numbers of the two states . Assuming Bohr's model to be valid, the time period of the electron in the initial state is eight times that in…2013 · MCQ
  • Ratio of longest wave lengths corresponding to Lyman and Balmer series in hydrogen spectrum is2013 · MCQ
  • A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction is 0.02866 u. The energy liberated per u is (given 1 u = 931 MeV)2013 · MCQ