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Calculate the energy of a He^(+)ion in i...

Calculate the energy of a `He^(+)ion` in its first excited state

A

`-13.6eV`

B

`-16.3eV`

C

`-11.6eV`

D

`11.3`.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The energy of a hydrogen atom in the ground state is -13.6 eV . The eneergy of a He^(+) ion in the first excited state will be

    A
    `-13.6 eV`
    B
    `-27.2 eV`
    C
    `-54.4 eV`
    D
    `-6.8 eV`

  • The ratio of the energies of the hydrogen atom in its first excited state to second excited state is

    A
    `(1)/(4)`
    B
    `(4)/(9)`
    C
    `(9)/(4)`
    D
    `(4)/(1)`

  • The energy of an electron in the first Bohr orbit is -13 eV . The energy of Be^(3+) in the first excited state is :

    A
    `-30.6 eV`
    B
    `-40 .8 eV`
    C
    `-54.4` eV
    D
    `+40.8` eV

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