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Absorption spectrum is obtained for a sa...

Absorption spectrum is obtained for a sample of gas having atomic hydrogen in ground state. Which lines of the spectrum will be in the range `94 nm` to `122 nm`.
Take Rydberg’s constant `R = 1.1 × 107 m^(–1)`

Text Solution

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The correct Answer is:
`94.7 nm, 96.9 nm, 102.2 nm, 121 nm`
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In Bohr's theory of hydrogen atom , calculate the energy of the photon emitted during a transition of the electron from the first excited state to its ground state . Write in which region of the electromagnetic spectrum this transition lies . Given Rydbergy constant R = 1.03 xx 10^(7) m^(-1) .

Knowledge Check

  • Energy of the state S_(1) in units of the hydrogen atom ground state energy is

    A
    0.75
    B
    1.5
    C
    2.25
    D
    4.5

  • Energy of the state S_(1) in units of the hydrogen atom ground state energy is

    A
    `0.075`
    B
    `1.50`
    C
    `2.25`
    D
    `4.50`

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