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Electron-volts
Abbreviation/Symbol:
eV
Unit of:
Energy and power
Worldwide use:
Widely used in nuclear, atomic and particle physics
Definition:
One electron volt is the energy acquired by an electron when accelerated through a potential difference of 1 volt.It is equal to 1.602 × 10−19 joules.
Common references:
Visible light has photon energy of 1.6 eV to 3.4 eV
Usage context:
Commonly encountered when dealing with atomic and nuclear processes
Component units:
Commonly subdivided into millielectornvolts and microelectronvolts
Multiples:
There are 1,000,000 electronvolts in a Megaelectronvolt, the units can be further expanded into Gigaelectronvolt, etc.