Light with a Wavelength of 310 Nm Is Incident on a Metal

Multiple Choice

Light with a wavelength of 310 nm is incident on a metal that has a work function of 3.8 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have?

A) 0.62 × 10^-19 J
B) 0.21 × 10^-19 J
C) 0.36 × 10^-19 J
D) 0.48 × 10^-19 J
E) 0.33 × 10^-19 J