Quiz  /  Mass Defect MCQ

  • 1. 
    A nucleus of uranium decays at rest into nuclei of thorium and helium. Then,

  • The helium nucleus has more kinetic energy than the thorium nucleus
  • The helium nucleus has less momentum than the thorium nucleus
  • The helium nucleus has more momentum than the thorium nucleus
  • The helium nucleus has less kinetic energy than the thorium nucleus

  • 2. 
    The mass defect for an isotope is 0.410 amu/atom. Calculate the value of binding energy.

  • 19.6 MeV
  • -2.4 MeV
  • 8.4 MeV
  • 17.3 MeV

  • 3. 
    Which isotope below has the highest binding energy?

  • 0.341 amu
  • 0.388 amu
  • 0.623 amu
  • 0.264 amu

  • 4. 
    Which of the following sentences is incorrect?

  • 1.23 x 10
  • kJ/mol
  • 2.23 x 10
  • kJ/mol
  • 3.69 x 10
  • kJ/mol
  • 3.69 x 10
  • kJ/mol
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