97.36: A student performs the Photo
1xoh r(zt99 j(.qwtd aelectric Effect Experiment and obtains the data depi
o.1zw q rthd(j(t9ax9 cted in the accompanying graph of $E_{Km}$, the maximum kinetic energy of the photoelectrons in eV, versus f, the frequency of the photons in $10^{14}$ Hz. What is the approximate work function for this material?