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Find the quantum number n corresponding ...

Find the quantum number `n` corresponding to the excited state of `He^(+)` ion of on transition to the ground state that ion emits two photons in succession with wavelengths `108.5` and `30.4nm`.

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The correct Answer is:
5
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Find the quantum number n corresponding to the excited state of He^(+) ion, if on transition to the ground state that ion emits two photons in succession with wave lengths 108.5 and 30.4 nm .

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Knowledge Check

  • Find the quantum of the excited state of electrons in He^(+) ion which on transition to first excited state emit photons of wavelengths 108.5 nm . (R_(H)=1.09678xx10^(7) m^(-1))

    A
    `6`
    B
    `5`
    C
    `4`
    D
    `2`

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