The Work Function for Aluminum Is 6

Multiple Choice

The work function for aluminum is 6.53´10^-19 J. If a surface of aluminum is irradiated with 400 nm what is the maximum kinetic energy of the electrons emitted from the surface due to the photo-electric effect?

A) 4.13´10⁵ m s^-1
B) 5.85´10⁵ m s^-1
C) 1.04´10⁶ m s^-1
D) 1.20´10⁶ m s^-1
E) no electrons will be emitted