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The binding energy of e^(-) in ground st...

The binding energy of `e^(-)` in ground state of hydrogen atom is 13.6 eV . The energies required to eject out an electron from three lowest states of `He^(+)` atom will be (in eV):

A

13.6 , 10.2 , 3.4

B

13.6, 3.4 , 1.5

C

13.6 , 27.2 , 40.8

D

54.4 , 13.6 , 6

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • 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

    A
    `122.4 eV`
    B
    `30.6 eV`
    C
    `13.6 eV`
    D
    `3.4 eV`

  • The binding energy of the electron in the lowest orbit of the hydrogen atom is 13.6 ev. The energies required in eV to remove an electron from three lowest orbits of the hydrogen are-

    A
    13.6,6.8,8.4 eV
    B
    13.6, 10.2, 3.4 eV
    C
    13.6, 27.2 40.8 eV
    D
    13.6,3.4,1.5 eV

  • The ionisation potential of hydrogen atom is 13.6eV. The energy required to remove an electron in the n=2 state of hydrogen atom is

    A
    27.2eV
    B
    13.6eV
    C
    6.8eV
    D
    3.4eV

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    The total energy of an electron in the ground state of hydrogen atom is - 13.6 eV . The potiential energy of an electron in the ground state of Li ^(2+) ion will be

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