Question

express one electron volt in S.I. unit

Answer 1

1 eV = 1.6*10 to the power -19 J.

Answer 2

In SI units, 1 volt = 1 joule/coulomb. If an electron-volt (eV) is equal to the energy of 1 e... 1. In SI units, 1 volt = 1 joule/coulomb.