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In photoelectric phenomenon, the number of photo electrons emitted depends on
- a)The intensity of incident radiation
- b)The frequency of incident radiation
- c)The velocity of incident radiation
- d)The work function of photo cathode
Correct answer is option 'A'. Can you explain this answer?
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In photoelectric phenomenon, the number of photo electrons emitted dep...
Photoelectric current depends on the intensity of incident light,
the number of photoelectrons emitted per second is directly proportional to the intensity of incident radiation.
the number of photoelectrons emitted per second is directly proportional to the intensity of incident radiation.
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In photoelectric phenomenon, the number of photo electrons emitted dep...
Intensity of incident radiation:
The number of photoelectrons emitted in the photoelectric effect depends on the intensity of the incident radiation. The intensity of radiation is the amount of energy received per unit area per unit time. When the intensity of the incident radiation increases, more photons are incident on the photoelectric material, leading to a higher number of photoelectrons being emitted.
Frequency of incident radiation:
Although the frequency of the incident radiation affects the energy of the photoelectrons emitted (as per the Einstein's photoelectric equation), it does not directly determine the number of photoelectrons emitted. The number of photoelectrons is primarily determined by the intensity of the incident radiation.
Velocity of incident radiation:
The velocity of the incident radiation does not have a direct impact on the number of photoelectrons emitted. The key factors that influence the number of photoelectrons are the intensity and frequency of the incident radiation.
Work function of photo cathode:
The work function of the photo cathode is the minimum amount of energy required to remove an electron from the surface of the material. While the work function affects the energy of the emitted photoelectrons, it does not determine the number of photoelectrons emitted. The number of photoelectrons is primarily dependent on the intensity of the incident radiation.
The number of photoelectrons emitted in the photoelectric effect depends on the intensity of the incident radiation. The intensity of radiation is the amount of energy received per unit area per unit time. When the intensity of the incident radiation increases, more photons are incident on the photoelectric material, leading to a higher number of photoelectrons being emitted.
Frequency of incident radiation:
Although the frequency of the incident radiation affects the energy of the photoelectrons emitted (as per the Einstein's photoelectric equation), it does not directly determine the number of photoelectrons emitted. The number of photoelectrons is primarily determined by the intensity of the incident radiation.
Velocity of incident radiation:
The velocity of the incident radiation does not have a direct impact on the number of photoelectrons emitted. The key factors that influence the number of photoelectrons are the intensity and frequency of the incident radiation.
Work function of photo cathode:
The work function of the photo cathode is the minimum amount of energy required to remove an electron from the surface of the material. While the work function affects the energy of the emitted photoelectrons, it does not determine the number of photoelectrons emitted. The number of photoelectrons is primarily dependent on the intensity of the incident radiation.
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In photoelectric phenomenon, the number of photo electrons emitted depends ona)The intensity of incident radiationb)The frequency of incident radiationc)The velocity of incident radiationd)The work function of photo cathodeCorrect answer is option 'A'. Can you explain this answer?
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