The Work Function for a Metal Is 5 $\times$ 10^-7 M
B)2

Multiple Choice

The work function for a metal is 5.58 eV.What is the threshold wavelength for the photoelectric effect of incident photons?

A) 2.22 $\times$ 10^-7 m
B) 2.22 $\times$ 10^-9 m
C) 4.50 $\times$ 10⁶ m
D) 4.50 $\times$ 10^-6 m
E) 2.22 $\times$ 10^-11 m