In photoelectric effect the number of photo electrons emitted is proportional to?
A. Intensity of incident beam
B. Frequency of incident bema
C. Velocity of incident beam
D. Work function of photo cathode
Answer:A
In photoelectric effect the number of photo electrons emitted is proportional to?
A. Intensity of incident beam B. Frequency of incident bema C. Velocity of incident beam D. Work function of photo cathode