During the Photoelectric Effect,that Forms the Basis of Photovoltaic Solar

During the photoelectric effect,that forms the basis of photovoltaic solar cells,a beam of monochromatic light consisting of an unknown number of photons knock electrons out of a metal producing an electrical current.For this effect,which statement is always true?

A) The kinetic energy of each electron depends on the intensity of the light beam.
B) The kinetic energy of each electron depends on the number of photons in the light beam.
C) The kinetic energy of each electron depends on the wavelength of the photons in the light beam.
D) All are correct.

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