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The energy of an excited hydrogen atom i...

The energy of an excited hydrogen atom is 0.38 eV. Its angular momentum is `n . h/(2pi)` . Find n

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Knowledge Check

  • Total energy of an electron in the ground state of hydrogen atom is – 136 eV. Its total energy, when hydrogen atom is in the first excited state, is :

    A
    `+ 13.6 eV `
    B
    `+ 3.4 eV`
    C
    `-3.4 eV `
    D
    `-54.4 eV `

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