In order to increase the rate at which photoelectrons are emitted by a surface on which light is directed, it is necessary to increase the
A) frequency of the light.
B) wavelength of the light.
C) intensity of the light.
D) speed of the light.

Question

Quizplus · Accepted Answer

The intensity of the light determines the number of photons per unit area and per unit time that hit the surface. The more photons that hit the surface, the higher the rate of emission of photoelectrons.

In Order to Increase the Rate at Which Photoelectrons Are