Units of measurement
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Joule (J)
Kiloelectronvolt (keV)
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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.
Kiloelectronvolt (keV)
Kilo Electron Volt (keV) — 1000 electron volts, used in X-ray imaging and particle physics.