In the photoelectric effect, a beam of light impinges on a metal, and it is observed that electrons are ejected from the metal in greater numbers as the
A) wavelength of the light is increased.
B) wavelength of the light is decreased.
C) intensity of the light is increased.
D) intensity of the light is decreased.

Question

Quizplus · Accepted Answer

Increasing the intensity of the light increases the number of photons hitting the metal, which results in more electrons being ejected.

In the Photoelectric Effect, a Beam of Light Impinges on a Metal