释义 |
einstein's photoelectric equation noun Usage: capitalized 1st E Etymology: after Albert Einstein : an equation in physics giving the kinetic energy of a photoelectron emitted from a metal as a result of the absorption of a radiation quantum: Ek=hν-ω where Ek is the kinetic energy of the photoelectron, h is the Planck constant, ν is the frequency associated with the radiation quantum, and ω the work function of the metal |