Electronvolt (eV) [2]
Electronvolt (eV) [2] : Nuclear Energy and Nuclear Disasters. A unit of mass used in particle physics. Mass and energy are related by Einstein's famous equation,?E = mc2. The constant?c?is the speed of light, 299.79 x 106?m/sec. An energy of 1 electronvolt is therefore equivalent to a mass of about 1.782 662 x 10-33?gram, or about 1.073 544 x 10-9?atomic mass unit. This is such a small unit that most particle masses are measured in MeV or GeV
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