Which one of the following statement is not true about photo electric emission?
A. For a given frequency, the number of photo electrons emitter per second is proportional to the intensity of incident light.
B. Below a definite threshold frequency, no photo electrons are emitted, no matter the intensity of light.
C. Above threshold frequency, the maximum kinetic energy of photo electrons is proportional to the frequency of incident light.
D. Saturation value of the photo electric current is independent of the intensity of incident light.
Answer:D
Which one of the following statement is not true about photo electric emission?
A. For a given frequency, the number of photo electrons emitter per second is proportional to the intensity of incident light. B. Below a definite threshold frequency, no photo electrons are emitted, no matter the intensity of light. C. Above threshold frequency, the maximum kinetic energy of photo electrons is proportional to the frequency of incident light. D. Saturation value of the photo electric current is independent of the intensity of incident light.