Why is photoelectric current proportional to the intensity of the incident radiation?

It’s because intensity is directlyproportional to number of photon in light ray and in photoelectric effect one photon can only release one electron and so more intense light means more photon hence more elections will ejected from the metal surface and hence increasing the photo current .

How does the intensity of the incident radiation affect photoelectric effect?

In the photoelectric effect, light incident on the surface of a metal causes electrons to be ejected. The intensity affects the number of electrons, and the frequency affects the kinetic energy of the emitted electrons.

Is photoelectric current directly proportional to intensity?

When a suitable radiation is used, the photoelectric current is directly proportional to intensity of radiation and increases with the increase in accelerating potential till the stage is reached when photo-current becomes maximum and does not increase with further increase in accelerating potential.

Why is current proportional to intensity?

Basically, the number of photoelectrons emitted is proportional to the number of photons. We assume/know that each photon is associated with removing an electron from the metal. As the number of photons increase(i.e the intensity increases) the number of electrons increases hence the current increases since I=ne.

What is directly proportional to frequency but independent of intensity of incident light?

Stopping potential is a measure of maximum kinetic energy of emitted photoelectron (eV|n=K′m,N) and Kmax depends upon the frequency of incident light but is independent of intensity.

How do kinetic energy and intensity of ejected electrons vary with frequency of incident radiation?

Increasing the frequency of the incident beam increases the maximum kinetic energy of the emitted photoelectrons, and the stopping voltage has to increase. The number of emitted electrons may also change because the probability that each photon results in an emitted electron is a function of photon energy.

Does photoelectric current depends on light intensity?

A. Depends both on intensity and frequency of the incident light.

Why does current increase when intensity increases?

Now, if you increase the intensity of the light, you essentially increase the number of photons per unit time. As long as no nonlinearities are introduced, the relative charge yield of #electrons/photon remains constant and therefore the current increases with light intensity.

Does the photoelectric effect depends on frequency?

Does not depend on the frequency of photon but depends only on intensity of incident light.

What happens in photoelectric effect if both intensity and frequency is doubled?

The saturation photoelectric current is proportional to the intensity of incident radiation, but it is frequency independent. As a result, when the intensity and frequency of the incident light are both doubled, the saturation photoelectric current is doubled.

How does kinetic energy increase with frequency?

Kinetic energy of photoelectrons increases with increase in the frequency of incident radiation.

Why photocurrent increases with intensity?

Since the emission of photoelectrons is directly proportional to the intensity of the incident light, therefore photocurrent increases with the intensity of light.