When Ultraviolet Photons with a Wavelength of 3

Multiple Choice

When ultraviolet photons with a wavelength of 3.45 × 10^-7 m are directed at the surface of an unknown metal in vacuum, electrons with a maximum kinetic energy of 1.52 eV are emitted from the surface. What is the work function of the metal?

A) 3.60 eV
B) 3.11 eV
C) 2.59 eV
D) 2.08 eV
E) 1.98 eV