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Atoms and Nuclei Test - 112

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Atoms and Nuclei Test - 112
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  • Question 1
    4 / -1
    In nuclear reactions, we have the conservation of
  • Question 2
    4 / -1
    A gamma ray photon creates an electron-positron pair. If the rest mass energy of an electron is 0.5 MeV and the total K.E. of the electron-positron pair is 0.78 MeV, then the energy of the gamma ray photon must be
    Solution

  • Question 3
    4 / -1
    Which of the following statements is true?
  • Question 4
    4 / -1
    In a fission process, nucleus A divides onto two nuclei B and C, their binding energies being Ea Eband Ecrespectively. Then
    Solution

  • Question 5
    4 / -1
    A nuclear bomb exploded 200 km above the surface of moon. The sound of explosion on the moon
  • Question 6
    4 / -1
    Fast neutrons can easily be slowed down by
  • Question 7
    4 / -1
    γ-rays radiation can be used to create electron-positron pair. In this process of pair production, γ-rays energy cannot be less than
    Solution

  • Question 8
    4 / -1
    A reaction between a proton and 8O18that produces 9F18 must also liberate
    Solution

  • Question 9
    4 / -1
    In the nuclear reaction 92U238→ZThA +2He4, the values of A and Z are
    Solution

  • Question 10
    4 / -1
    If 200 MeV energy is released in the fission of a single U235 nucleus, the number of fissions required per second to produce 1 kilowatt power shall be (Given 1 eV = 1.6 × 10–19 J)
    Solution

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