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The threshold frequency is defined as the minimum frequency of the incident radiation below which photoelectric emission or emission of electrons is not possible. The threshold frequency refers to the frequency of light that will cause an electron to dislodge emit from the surface of the metal.
6 days ago · Threshold frequency in photoelectric effect is the minimum frequency of electromagnetic radiation which is required for the phenomenon of photoelectric emission to occur from a metal surface.
What is the threshold frequency? Threshold frequency is defined as the minimum frequency that is required for the radiation such that photoelectric effect is produced.
The threshold frequency is defined as the minimum frequency of incident radiation below which the photoelectric emission is not possible completely. irrespective of the intensity of incident radiation.
The concept of a threshold frequency is required in order to explain why a low frequency source, such as a filament lamp, was unable to liberate any electrons in the gold leaf experiment. The threshold frequency is defined as: The minimum frequency of incident electromagnetic radiation required to remove a photoelectron from the surface of a metal.
The threshold frequency is described as the frequency when the photoelectric current stops below a particular frequency of incident light. The photoelectric effect establishes the quantum nature of radiation.
When light of frequency 2.42 X 10^15 Hz is incident on a metal surface, the fastest photoelectrons are found to have a kinetic energy of 1.7eV. Find the threshold frequency of the metal.
The scientists observed that if the incident light had a frequency less than a minimum frequency ν , then no electrons were ejected regardless of the light amplitude. This minimum frequency is also called the threshold frequency, and the value of ν depends on the metal.
The threshold wavelength, related to threshold frequency by the wave equation, is defined as: The longest wavelength of incident electromagnetic radiation that would remove a photoelectron from the surface of a metal. Threshold frequency and wavelength are properties of a material, and vary from metal to metal.
Learn about the photoelectric effect, its experimental evidence, and its quantum explanation in this chapter of University Physics Volume 3 by OpenStax.
