PhysicsMedium145×since 2002Q6619The surface of a metal is illuminated with the light of 400400400 nm.nm.nm. The kinetic energy of the ejected photoelectrons was found to be 1.681.681.68 eV.eV.eV. The work function of the metal is : (hc=1240eV.nm)\left( {hc = 1240eV.nm} \right)(hc=1240eV.nm)A1.411.411.41 eVeVeVB1.511.511.51 eVeVeVC1.681.681.68 eVeVeVD3.093.093.09 eVeVeVCheck answerSkip