单词 | Einstein photoelectric law |
释义 | Einstein photoelectric law [`īn´stīn ¦fōd·ō·i¦lek·trik ´lȯ] QUANTUM MECHANICS The law that the energy of an electron emitted from a system in the photoelectric effect is hν -W, where h is Planck's constant, ν is the frequency of the incident radiation, and W is the energy needed to remove the electron from the system; if hν is less than W, no electrons are emitted. |
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