Increasing the brightness of a beam of light without changing its color will increase

Please explain how you get the answer
Increasing the brightness of a beam of light without changing its color will increase the number of photons per second traveling in the beam. the energy of each photon the speed of the photons. the frequency of the light the wavelength of the photons.

Answer

The photoelectric effect states that when a light incident on the surface of the material, then the metal emit or eject the e

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