the number of ejected photoelectrons increases with the increase in intensity of light but not with the increase in frequency why
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Increase the intensity, as mentioned in the other answer or use light of a shorter wavelength.
λ proportional to 1/f
The number of emitted electrons and their kinetic energy can be measured as a function of the intensity and frequency of the light.
Also, the number of electrons that break away from the metal should change with the frequency of the light wave.
Hence, more electrons will be emitted per second.
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