The light intensity incident on a metallic surface produces photoelectrons with a maximum kinetic energy of 2 eV.The light intensity is doubled.Determine the maximum kinetic energy of the photoelectrons (in eV).
A)4
B)2
D)3
E)16

Question

The light intensity incident on a metallic surface produces photoelectrons with a maximum kinetic energy of 2 eV.The light intensity is doubled.Determine the maximum kinetic energy of the photoelectrons (in eV).
A)4 
B)2 
D)3 
E)16

Quizplus · Accepted Answer

The kinetic energy of photoelectron does not depend on the intensity of the incident light. Therefore, doubling the light intensity will not change the maximum kinetic energy of the photoelectrons.

The Light Intensity Incident on a Metallic Surface Produces Photoelectrons