Units of measurement
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Joule (J)
Electronvolt (eV)
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Joule (J)
Joule (J) — the fundamental unit of energy in the International System of Units (SI), equal to the energy transferred when a force of 1 newton moves an object 1 meter.
Electronvolt (eV)
Electron Volt (eV) — a unit of energy used in atomic and nuclear physics, equal to 1.602 × 10⁻¹⁹ joules.