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A photon is emitted in transition from n...

A photon is emitted in transition from `n=4` to `n=1` level in hydrogen atom.The corresponding wavelength for this transition is (given, `h=4times10^(-15)eVs)`

A

94.1nm

B

974nm

C

941nm

D

99.3nm

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Knowledge Check

  • The frequency corresponding to transition n = 1 to n = 2 in hydrogen atom is.

    A
    `15.66 xx 10^10 Hz`
    B
    `24.66 xx 10^14 Hz`
    C
    `30.57 xx 10^14 Hz`
    D
    `40.57 xx 10^24 Hz`

  • An electron makes transition form n=3 , n=1 state in a hydrogen atom. The maximum possible number of photons emitted will be

    A
    `1`
    B
    `2`
    C
    `3`
    D
    `6`

  • The wavelength of the first Balmer line caused by a transition from the n = 3 level to the n = 2 level in hydrogen is lamda_(1) . The wavelength of the line caused by an electronic transition from n = 5 to n = 3 is -

    A
    `(375)/(128)lamda_(1)`
    B
    `(125)/(64)lamda_(1)`
    C
    `(64)/(125)lamda_(1)`
    D
    `(128)/(375)lamda_(1)`

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