Important Physical Constants

  • Speed of light: c = 2.997 x 108 m/s
  • Planck constant: h = 6.626 x 10-34 Js
  • Planck constant: h = 4.14 x 10-15 eVs
  • Charge of electron: e = 1.602 x 10-19 C
  • Boltzman constant: k = 2.381 x 10-23 J/K
  • Electron-volt: 1 eV = 1.602177 x 10-19 J