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JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    The energy levels of the hydrogen spectrum is shown in figure. There are some transitions A, B, C, D and E. Transition A, B and C respectively represent [CPMT 1986, 88]

    A)            First member of Lyman series, third spectral line of Balmer series and the second spectral line of Paschen series

    B)            Ionization potential of hydrogen, second spectral line of Balmer series and third spectral line of Paschen series

    C)            Series limit of Lyman series, third spectral line of Balmer series and second spectral line of Paschen series

    D)            Series limit of Lyman series, second spectral line of Balmer series and third spectral line of Paschen series

    Correct Answer: C

    Solution :

                       Transition A (n = ¥ to 1) :    Series limit of Lyman series                    Transition B (n = 5 to n = 2) : Third spectral line of Balmer series            Transition C (n = 5 to n = 3) :   Second spectral line of Paschen series


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