Which factor does not influence the number of electrons emitted in a photoelectric effect experiment?

The number of electrons emitted in a photoelectric effect experiment is influenced by various factors, but frequency of light is not one of them in terms of quantity. The number of electrons emitted relates significantly to the intensity of the light, which refers to how many photons are hitting the material's surface. A higher intensity usually means more photons are available to eject electrons, leading to a greater number of emitted electrons.

Wavelength also plays a crucial role because it is inversely related to frequency. Different wavelengths correspond to different frequencies, which can impact whether the energy of the incoming photons is sufficient to exceed the work function of the material and thus release electrons. Essentially, if the energy (related to frequency) of the incoming light is not high enough, no electrons will be emitted regardless of intensity.

The type of material used is crucial as well, since different materials have different work functions, determining the threshold frequency that is required for electron emission. However, once the frequency exceeds the threshold for a given material, it does not continue to influence the number of electrons; rather, it's the intensity of above-threshold light that will directly increase electron emission.

In summary, while frequency plays a vital role in determining whether electron emission can occur, once that threshold is passed, it