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Atoms and Nucle...

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  • Question 1
    4 / -1

    The ratio of the kinetic energy to the total energy of an electron in a Bohr orbit is

  • Question 2
    4 / -1

    If an electron jumps from 1st orbital to 3rd orbital, then it will

  • Question 3
    4 / -1

    The ratio of the frequencies of the long wavelength limits of Lyman and Balmer series of hydrogen spectrum is

  • Question 4
    4 / -1

    In terms of Rydberg\'s constant R, the wave number of the first Balmer line is

  • Question 5
    4 / -1

    If the ionisation potential of helium atom is 24.6 volt, the energy required to ionise it will be

  • Question 6
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    Which of the transitions in hydrogen atom emits a photon of lowest frequency (n = quantum number)?

  • Question 7
    4 / -1

    What will be ratio of radii of Li7 nucleus to Fe56 nucleus?

  • Question 8
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    In a hydrogen atom, which of the following electronic transitions would involve the maximum energy change

  • Question 9
    4 / -1

    In the lowest energy level of hydrogen atom, the electron has the angular momentum

  • Question 10
    4 / -1

    The minimum energy required to excite a hydrogen atom from its ground state is

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