Which of the following statements about the photoelectron effect is NOT correct?
ID: 1553510 • Letter: W
Question
Which of the following statements about the photoelectron effect is NOT correct?
a. Photoelectrons produce a photocurrent when they travel to an electrode which has a positive potential compared to the metal surface.
b. The emission of photoelectrons is independent of the wavelength of the light used
c. The incident photon must have a certain minimum energy to cause a photoelectron to be emitted
d. The emission of photoelectrons can be stopped by applying a positive Stopping Potential to the metal surface
Explanation / Answer
Correct option is (b)
When light shines on a metal, electrons can be ejected from the surface of the metal in a phenomenon known as the photoelectric effect.
The energy of the incident photon must be equal to the sum of the metal's work function and the photoelectron kinetic energy