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3 August, 14:47

Calculate the frequency of the n = 2 line in the Lyman series of hydrogen.

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  1. 3 August, 14:52
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    Layman series describe the ultraviolet emission lines that the hydrogen atom emits when an electron is moved from a higher energy level to level 1.

    For n = 2

    The wavelength = 121.5 nm

    velocity = wavelength * frequency

    frequency = velocity / wavelength

    frequency = (3 * 10^8) / (121.5 * 10^9) = 2.469 * 10^15 Hz
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