97.36: A student performs the Photoelectric Effect Experiment and
-j6zt4geo d ;,dzmg/7o yvf5oro0 8phobtains the dat
oo-op;t r0 8 zg/y57 vz6, odfd4egmhja depicted 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?