Q5. The surface of a metal is illuminated with a light of 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. The work function of the metal is: (hc = 1240 eV.nm)Physics — Dawn of Modern Physics — Question 5 of 217A. 3.09 eVB. 1.41 eVC. 1.51 eVD. 1.68 eVPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →