In a Photoelectric Effect Experiment No Electrons Are Ejected If

Multiple Choice

In a photoelectric effect experiment no electrons are ejected if the frequency of the incident light is less than A/h, where h is the Planck constant and A is:

A) the maximum energy needed to eject the least energetic electron
B) the minimum energy needed to eject the least energetic electron
C) the maximum energy needed to eject the most energetic electron
D) the minimum energy needed to eject the most energetic electron
E) the intensity of the incident light