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energy unit comparison table |
Subject | has proposer | is an acronym for | is an instance of | has proposal date | has approval date | is equivalent to | has equivalent | has synonym | has name origin | has unit | has base unit | has value in SI unit | has approval agency | has definition | has symbol | is named after |
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electron volt | non SI unit | 1.6 × 10-19 joules | 160.219 × 10-21 joule | Unit of energy used in atomic and nuclear physics; the kinetic energy acquired by one electron in passing through a potential difference of 1 volt in vacuum. Sometimes used as a unit of mass (see rest-mass energy) | eV | |||||||||||
erg | British Association | CGS unit | 1873 | 1 g cm2 s-2 | dyne cm | Greek verb 'to work' | Unit of energy; the work done by a force of 1 dyne acting over a distance of 1 cm. | |||||||||
joule | British Association | Syteme Internationale | named derived SI unit | 1888 | 1948 | 9.47 × 10-9 therm | N·m | m2kg·s-2 | International Conference on Weights and Measures | Unit of energy, work, or quantity of heat. 1 J is equal to a force of 1 newton acting over a distance of 1 meter. 1 J = 107 ergs. | J | J. P. Joule | ||||
rydberg | energy unit | Unit of energy (R = h bar3c / me4) equal to 13.5978 eV (the ionization potential of hydrogen). Rydberg correction has definition |
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