Which one of the following is true in photoelectric emission
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
Which one of the following is true in photoelectric emission
- Photoelectric current is directly proportional to the amplitude of light of a given frequency
- Photoelectric current is directly proportional to the intensity of light of a given frequency at moderate intensities
- Above the threshold frequency, the maximum K.E. of photoelectrons is inversely proportional to the frequency of incident light
- The threshold frequency depends upon the wavelength of incident light
Answer
(B) Photoelectric current is directly proportional to the intensity of light of a given frequency at moderate intensities
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