Q. Which one of the following is true in photoelectric emission
A) Photoelectric current is directly proportional to the amplitude of light of a given frequency
B) Phototelectric current is directly proportional to the intensity of light of a given frequency at moderate intensities
C) Above the threshold frequency, the maximum K.E. of photoelectrons is inversely proportional to the frequency of incident light
D) The threshold frequency depends upon the wavelength of incident light
Explanation
The correct answer is Option B: Phototelectric current is directly proportional to the intensity of light of a given frequency at moderate intensities.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.