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Atoms and Nucle...

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  • Question 1
    4 / -1

    Which of the following transitions will have highest emission wavelength ?

  • Question 2
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    When the wave of hydrogen atom comes from infinity into the first orbit then the value of wave number is

  • Question 3
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    With the increase in principal quantum number, the energy difference between the two successive energy levels

  • Question 4
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    If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy required to remove the electron from the first excited state of Li++ is

  • Question 5
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    For ionising an excited hydrogen atom, the energy required (in eV) will be

  • Question 6
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    The colour of the second line of Balmer series is

  • Question 7
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    Which state of triply ionised Beryllium (Be+++) has the same orbital radius as that of the ground state of hydrogen?

  • Question 8
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    The ratio of areas within the electron orbits for the first excited state to the ground state for hydrogen atom is

  • Question 9
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    The kinetic energy of an electron revolving around a nucleus will be

  • Question 10
    4 / -1

    The kinetic energy of electron in the first Bohr orbit of the hydrogen atom is

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