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    Chemistry
    Structure-Of-Atom
    Easy

    Question

    The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are :

    1. Paschen and Pfund
    2. Balmer and Brackett
    3. Lyman and Paschen
    4. Brackett and Pfund

    The correct answer is: Lyman and Paschen

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