In order for a photon to eject an electron from a metal's surface in the photoelectric effect, the photon's
A)frequency must be greater than a certain minimum value.
B)speed must be greater than a certain minimum value.
C)wavelength must be greater than a certain minimum value.
D)momentum must be zero.

Question

Quizplus · Accepted Answer

The photoelectric effect requires that the photon has a frequency greater than a certain threshold frequency to provide enough energy to overcome the work function of the metal and eject an electron.

In Order for a Photon to Eject an Electron from a Metal's