Question

Stopping potential for photoelectrons

• A.
  Does not depend on the frequency of the incident light
• B. Does not depend upon the nature of the cathode material
• C. Depends on both the frequency of the incident light and nature of the cathode material
• D. Depends upon the intensity of the incident light

Answer 1

The correct option is (A):

Depends on both the frequency of the incident light and nature of the cathode material

Stopping potential for photoelectrons depends on
a. the frequency of the incident light and,
b. nature of the cathode material