Question

The magnitude of photoelectric current depends on

• A. Wavelength of the radiation.
• B. Energy of the radiation
• C. Intensity of the radiation
• D. Frequency of the radiation

Answer 1

The correct option is C

Intensity of the radiation

The strength of the photoelectric current depends upon the intensity of the incident radiation. An increase in the intensity of the radiation means more photons are incident, so more electrons will be ejected i.e. photoelectric current will be increased.