Which change will not affect the kinetic energy of the most energetic electrons emitted in the photoelectric effect?
A) changing the frequency of the light
B) changing the metal the light is hitting
C) changing the brightness of the light
D) All of the above will affect the electron's kinetic energy.

Question

Quizplus · Accepted Answer

The kinetic energy of the most energetic electrons in the photoelectric effect depends on the frequency of the light and the work function of the metal, not the brightness (intensity) of the light.

Which Change Will Not Affect the Kinetic Energy of the Most