0
What else can I help you with?
What is the reverse process of photoelectric effect?
reverse process of photo electric effect is done by the supply of electrons or heat to the metal that radiate certain radiation. among them the metals which emit visible radiation are normally used in house hold appliances
The emission of electrons from metal caused by light striking the metal is called?
Photoelectric effect.===================================== This phenomenon was discovered by Albert Einstein, for which he received the Nobel Prize for Physics. The solar cells that we use today is a direct application of the photoelectric effect, as the special metal absorbs Sun's photons and gives off electron (and the flow of electrons generates an electric current).
When electromagnetic radiation strikes the surface of a metal electrons are ejected from the metal's surface what is the description?
This phenomenon is known as the photoelectric effect. When electromagnetic radiation, such as light, strikes a metal's surface, it can transfer energy to the electrons in the metal. If the energy of the incoming photons is sufficient to overcome the metal's work function, the electrons are ejected from the surface. This effect demonstrates the particle-like behavior of light and supports the concept of quantized energy levels in atoms.
What will happen if monochromatic light is shining on the alkali metal and the cesium is just above the threshold frequency?
If monochromatic light is shining on an alkali metal and cesium is just above the threshold frequency, electrons in the cesium atoms will be ejected in a process called the photoelectric effect. These ejected electrons will have kinetic energy equal to the difference between the energy of the incident photon and the work function of the metal. The photoelectrons will be emitted instantaneously.
What device gives off electrons when light shines on a metal surface?
There is the photoelectric effect, which is the process that emitts electrons from a metals surface when light of a certain frequency shines on the surface. In the metal, the nuclei are surrounded by electrons, so when the incoming electrons strike the surface, they pull apart from the electrons of the metal because of how like charges detract from each other.
What is ejected when light strikes a metal surface?
Electrons are ejected from a metal surface when light strikes it. This phenomenon is known as the photoelectric effect. The ejected electrons are called photoelectrons.
What is the relationship between the kinetic energy of ejected electrons and the intensity of incident light in the photoelectric effect?
In the photoelectric effect, the kinetic energy of ejected electrons is directly proportional to the intensity of the incident light. This means that higher intensity light results in higher kinetic energy of the ejected electrons.
What does light produce in a photoelectric effect?
In the photoelectric effect, light produces electrons when it strikes a material surface. The energy of the incident light is transferred to the electrons, causing them to be ejected from the material.
The photoelectric effect states that electrons are ejected from a piece of metal?
B: When you shine a particular color of light on it.
In the photoelectric effect what happens when lighthits the metal?
When light hits a metal in the photoelectric effect, it can transfer its energy to the electrons in the metal. If the energy of the light is high enough, it can cause the electrons to be ejected from the metal, creating a flow of electrical current.
What is Einstein photoelectric effect?
Einstein's photoelectric effect work found that the incident light involved in the photoelectric effect was made of individual quanta (photons) that interacted with the metal's electrons like discrete particles, not waves.
The photoelectric effect states that electrons are ejected from a peice of metal?
When u shine lights of a particular color on it (plato :P)
What is the frequency in photoelectric effect?
In the photoelectric effect, the frequency of incident light determines the energy of the ejected electrons from a material. Electrons are only emitted from the material when the frequency of the incident light is greater than the threshold frequency, which is unique to each material.
What is photoelectric emission effect?
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.
What are the differences between the photoelectric effect and Compton scattering in terms of their interactions with photons and electrons?
The photoelectric effect involves the ejection of electrons from a material when it absorbs photons, while Compton scattering is the process where photons collide with electrons, causing them to change direction and lose energy. The key difference is that in the photoelectric effect, electrons are ejected from the material, while in Compton scattering, electrons remain within the material but change their direction and energy.
What are photo-electrons?
Photo-electrons are electrons that are emitted from a material when it is struck by photons, typically in the form of light. This phenomenon, known as the photoelectric effect, plays a crucial role in various scientific and technological applications, such as in solar cells and photoelectron spectroscopy.
How does increasing the frequency of light in the photoelectric effect impact the emission of electrons?
Increasing the frequency of light in the photoelectric effect results in the emission of electrons with higher energy levels. This is because higher frequency light carries more energy, which allows electrons to be ejected from the material with greater kinetic energy.
