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    Excitation by collison of another electron:

    Does the electron need to have exactly the same energy as an excitation energy in order for excitation to occur?

    When a electron let's say 3eV comes in a collides with a electron which needs 3eV to excite, what happens to the electron that has come in and lost all it's kinetic energy to excite the other one?

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Updated: November 1, 2017
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