Quiz  /  Nuclear Fission And Fusion MCQ

  • 1. 
    The splitting of a nucleus into smaller nuclei is

  • Fusion
  • Fission
  • Half-life
  • gamma -radiation

  • 2. 
    Name the moderator used in the nuclear reactor?

  • Plutonium
  • Thorium
  • Graphite
  • Berilium

  • 3. 
    Which isotope of Uranium has the capacity to sustain the chain reaction?

  • U-230
  • U-235
  • U-245
  • U-225

  • 4. 
    Which of the following atomic particles have the least mass?

  • Proton
  • Electron
  • Deuteron
  • Neutron

  • 5. 
    During an atomic explosion, the energy released is due to

  • Conversion of protons to neutrons
  • Conversion of chemical energy into heat energy
  • Conversion of mechanical energy into nuclear energy
  • Conversion of mass into energy

  • 6. 
    What is the beneficial aspect of nuclear fission?

  • The ability to absorb energy
  • The ability to produce more energy than nuclear fusion
  • The ability to release tremendous amounts of energy
  • There are no beneficial aspects of nuclear fission

  • 7. 
    When a neutron leaves the nucleus, it’s mass

  • Triples
  • Decreases
  • Increases
  • Stays the same

  • 8. 
    The element with the least mass per nucleon is

  • Hydrogen
  • Iron
  • Helium
  • Uranium

  • 9. 
    The release in energy in nuclear fission is consistent with the fact that uranium has

  • More mass per nucleon than either of the two fragments
  • Has more mass per nucleon as the two fragment
  • Has exactly the same mass per nucleon as the two fragments
  • Less mass per nucleon than either of the two fragments

  • 10. 
    The energy we get in nuclear reaction comes from

  • Energy we put into the reactor
  • The mass of the fuel
  • Water
  • The sun
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