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The ground state energy of hydrogen atom...

The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic and potential energies of the electron in this state?

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13.6 eV , - 27.2 eV
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Ionisation energy of hydrogen atom is 13.6 eV. Then the energy required to ionise a hydrogen atom in which the electron is in the second orbit from the nucleus is (eV)

The energy of an electron in an excited state of hydrogen atom is -3.4 eV . The angular momentum of the electron in this state is

Knowledge Check

  • Total energy of electron in an excited state of hydrogen atom is -3.4eV . The kinetic and potential energy of electron on this state

    A
    k=-3.4eV U= -6.8eV
    B
    K=3.4eV U=-6.8eV
    C
    K= -6.8eV U = +3.4eV
    D
    `K= + 10.2eV U= -13.6eV

  • The ionization energy of hydrogen atom is 13.6 eV. What will be the ionization energy of He^+ ?

    A
    13.6 eV
    B
    54.4 eV
    C
    122.4 eV
    D
    Zero

  • The area of the electron orbit for the ground state of hydrogen atom is A. Then what will be area of the electron orbit corresponding to the first excited state?

    A
    `4A`
    B
    8A
    C
    16A
    D
    32A

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    The ground state energy of hydrogen atom is - 13.6 eV. If an electron makes a transition from an energy level - 0.85 eV to -3.4 eV, calculate the wavelength of the spectral line emitted. To which series of hydrogen spectrum does this wavelength belong?

    Using Rutherford model of the atom, derive the expression for the total energy of the electron in hydrogen atom. What is the significance of total negative energy possessed by the electron ?

    In a hydrogen atom, the electron and proton are bound at a distance of about 0.53 Å (a) Estimate the potential energy of the system in eV, taking the zero of the potential energy at infinite separation of the electron from proton. (b) What is the minimum work required to free the electron, given that its kinetic energy in the orbit is half the magnitude of potential energy obtained in (a)? (c) What are the answers to (a) and (b) above if the zero of potential energy is taken at 1.06 Å separation?

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    The binding energy of electron in a hydrogen atom is 13.6 eV, the energy required to remove the electron from the first excited state of Li^(++) is :

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