0
The photoelectric emission effect is a phenomenon where electrons are emitted from a material when it is exposed to light, typically of high enough frequency (i.e., energy) to cause electrons to be ejected from the material's surface. This effect is important in technologies like solar cells and photomultiplier tubes.
Add your answer:
Earn +20 pts
Is reverse process of photoelectric effect is zeeman effect?
No, the reverse process of the photoelectric effect is not the Zeeman effect. The Zeeman effect is the splitting of spectral lines in the presence of a magnetic field, while the photoelectric effect is the emission of electrons from a material when exposed to light. They are two distinct phenomena in physics.
What is the inverse process of photoelectric effect?
The inverse process of the photoelectric effect is the emission of a photon when an excited electron transitions to a lower energy level within an atom or molecule, known as photoluminescence. This process involves the release of light energy in the form of a photon.
Which of the following modern technologies makes use of the photoelectric effect?
Solar panels make use of the photoelectric effect to convert sunlight into electricity. The photoelectric effect is responsible for generating the flow of electrons within the solar cells when photons of light strike the panels.
What is the difference between field emission and photoelectric emission?
Field emission occurs when electrons are emitted from a surface due to a strong electric field, while photoelectric emission happens when electrons are emitted from a surface due to the absorption of photons. Field emission is primarily influenced by the local electric field strength, whereas photoelectric emission depends on the energy and intensity of incident photons.
Why photoelectric measurement are so sensitive to the nature of photoelectric surface?
Photoelectric measurements are sensitive to the nature of the photoelectric surface because the surface properties, like work function and reflectivity, directly affect the efficiency of electron emission when photons are absorbed. The surface characteristics influence the energy required for electron liberation, impacting the overall photoelectric effect.
What is the emission of electrons from a metals surface when light of a certain frequency shines on it?
photoelectric effect
Is reverse process of photoelectric effect is zeeman effect?
No, the reverse process of the photoelectric effect is not the Zeeman effect. The Zeeman effect is the splitting of spectral lines in the presence of a magnetic field, while the photoelectric effect is the emission of electrons from a material when exposed to light. They are two distinct phenomena in physics.
What is the inverse process of photoelectric effect?
The inverse process of the photoelectric effect is the emission of a photon when an excited electron transitions to a lower energy level within an atom or molecule, known as photoluminescence. This process involves the release of light energy in the form of a photon.
Which of the following modern technologies makes use of the photoelectric effect?
Solar panels make use of the photoelectric effect to convert sunlight into electricity. The photoelectric effect is responsible for generating the flow of electrons within the solar cells when photons of light strike the panels.
What is the difference between field emission and photoelectric emission?
Field emission occurs when electrons are emitted from a surface due to a strong electric field, while photoelectric emission happens when electrons are emitted from a surface due to the absorption of photons. Field emission is primarily influenced by the local electric field strength, whereas photoelectric emission depends on the energy and intensity of incident photons.
Why photoelectric measurement are so sensitive to the nature of photoelectric surface?
Photoelectric measurements are sensitive to the nature of the photoelectric surface because the surface properties, like work function and reflectivity, directly affect the efficiency of electron emission when photons are absorbed. The surface characteristics influence the energy required for electron liberation, impacting the overall photoelectric effect.
Which statement best describes the light that will cause emission of electrons from a given metal through the photoelectric effect?
The light must consist of photons with energy equal to or greater than the work function of the metal to cause the emission of electrons through the photoelectric effect. The intensity of the light does not play a significant role in the emission of electrons, only the energy of individual photons matters.
Can photoelectric effect be observed using infrared rays?
No, the photoelectric effect is the emission of electrons from a material due to the absorption of photons. Infrared rays have lower energy photons than visible light, so they are not typically energetic enough to cause the photoelectric effect. Only photons with enough energy, such as ultraviolet or higher energy photons, can induce the photoelectric effect.
Why are photoelectric measurement so sensitive to the nature of the photoelectric surface?
why are photoelectric measurements are so sensitive to the nature of the photoelectric surface
What is threshold wavelength?
Threshold wavelength refers to the minimum wavelength of light required to start a specific phenomenon, such as photoelectric effect or emission of electrons from a metal surface. Below this threshold wavelength, the desired effect does not occur.
Does the photoelectric effect occur when light shines on metal?
Yes, the photoelectric effect occurs when light shines on metal. This phenomenon involves the emission of electrons from a material when it is exposed to light. The energy of the photons in the incident light must be sufficient to overcome the work function of the metal in order for electrons to be ejected.
Match the experimental conditions applied to the photoelectric effect observed.?
conditions of photoelectric effect
