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Ratio of the shortest wavelengths of the Balmer and Paschen series

The same question, asked 2 times: 9 May 2023 S1*, 19 Apr 2025 S1. Every wording below, oldest first.

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  1. Question 1

    9 May 2023 S1

    26
    In hydrogen atom, ratio of the shortest wavelength in the Balmer series to that in the Paschen series is

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  2. Question 2

    19 Apr 2025 S1

    42
    The ratio of the wavelength of the last line of Paschen series to that of Balmer series is

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