Physics, 02.06.2021 02:20, kekejones6321

An electron with energy 13.2 eV collides with an element, and the electron emerges with energy 4.5 eV. What wavelength of light would also be emitted along with the electron?

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An electron with energy 13.2 eV collides with an element, and the electron emerges with energy 4.5 e...