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Atoms and Nucle...

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  • Question 1
    4 / -1

    Which of the following particles are constituents of the nucleus?

  • Question 2
    4 / -1

    The binding energies per nucleon for a deuteron and an α-particle are x1 and x2 respectively. What will be the energy Q released in the reaction
    1H2 + 1H2 → 2He4 + Q

  • Question 3
    4 / -1

    Nucleus of an atom whose atomic mass is 24 consists of

  • Question 4
    4 / -1

    Isotopes are atoms having

  • Question 5
    4 / -1

    The mass of an α-particle is

  • Question 6
    4 / -1

    A nucleus ruptures into two nuclear parts which have their velocity ratio equal to 2 : 1. What will be the ratio of their nuclear size (nuclear radius)

  • Question 7
    4 / -1

    Which of the following isotopes is normally fissionable?

  • Question 8
    4 / -1

    When a 4Be9 atom is bombarded with α-particles, one of the products of nuclear transmutation is 6C12. The other is

  • Question 9
    4 / -1

    A radioactive sample S1 having the activity A1 has twice the number of nuclei as another sample S2 of activity A2. If A2 = 2A1, then the ratio of half life of S1 to the life of S2 is

  • Question 10
    4 / -1

    During the nuclear fusion reaction

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