Recent content by petermacfarlane

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    Excitation of a hydrogen atom by electron collisions

    Thank you for your help!
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    Excitation of a hydrogen atom by electron collisions

    The problem: A beam of electrons with kinetic energy 12.8 eV collides with a hydrogen target. What visible spectral lines will be emitted due to collisions? My question: I am confident I know how to do the bulk of this question, I am just uncertain about one thing: I know that 12.8 eV is enough...