Question

Q.9 Of what quantity the unit is electron volt? Define it and obtain its value in joule,​

Answer 1

Explanation:

Electron volt, unit of energy commonly used in atomic and nuclear physics, equal to the energy gained by an electron (a charged particle carrying unit electronic charge) when the electrical potential at the electron increases by one volt. The electron volt equals 1.602 × 10−12 erg, or 1.602 × 10−19 joule.