In a photoelectric effect experiment, light shining on a metal surface having φ = 3.06 x 10-19 J produces photoelectrons having a velocity of 5.26 x 105 m/s. What is the wavelength of the light used? The mass of an electron is 9.11 x 10-28 g.
none of the answers are correct
390 nm
460 nm
500 nm