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Physics · 术语表

什么是 The electron-volt?

Definition 17.3 University Physics — Year 1 · 第 17 章 — Charged Particles in E and B Fields

The electron-volt is the kinetic energy gained by an elementary charge crossing one volt: 1 eV=1.60×10−19 J1\,\mathrm{eV} = 1.60 \times 10^{-19}\,\mathrm{J}. Chemistry lives at a few eV, X-ray tubes at tens of keV, nuclear physics at MeV, particle physics at GeV and TeV.

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