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Photons are particles of light that carry energy. When light is absorbed by a material, photons transfer their energy to the material's atoms, causing them to become excited. This excitation can lead to the emission of light when the atoms return to their original state, releasing photons in the process.
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What does a photon do in the process of light absorption and emission?
A photon is a tiny particle of light that is absorbed by an atom or molecule during the process of light absorption. This absorption causes the atom or molecule to become excited, leading to the emission of a new photon when the atom or molecule returns to its original state.
How quantum theory of light relates to photo electric emission?
The quantum theory of light explains that light is made up of particles called photons. In the photoelectric effect, photons strike a metal surface, transferring their energy to electrons, which can then be emitted from the metal. This process demonstrates the particle-like behavior of light, as individual photons interact with electrons one at a time to cause emission.
What is the difference between spontaneous and stimulated emission of light?
stimulated emission causes due to the energy difference between the higher and lower energy level state, but it doesn't depends in the case of spontaneous emission . spontaneous emission causes without any stimulation .In stimulated emission energy transfer is twice the energy transfer of spontaneous emission.
Can light be transmitted with or without a medium?
Light can be transmitted through a vacuum without the need for a medium, such as in outer space. However, in material mediums like air, water, or glass, light can also be transmitted through a process of absorption and re-emission of photons by the atoms in the medium.
What particular behavior of light that shows particle property?
The behavior of light known as the photoelectric effect demonstrates its particle property. This phenomenon involves the emission of electrons from a metal surface when light of sufficient energy (photons) is shone on it, causing the electrons to be ejected like particles.
What is the difference between emission and absorption?
Emission is the process where an object releases energy (such as light) while absorption is the process where an object takes in energy (such as light). In emission, energy is being emitted from the object, whereas in absorption, energy is being absorbed by the object.
What does a photon do in the process of light absorption and emission?
A photon is a tiny particle of light that is absorbed by an atom or molecule during the process of light absorption. This absorption causes the atom or molecule to become excited, leading to the emission of a new photon when the atom or molecule returns to its original state.
How quantum theory of light relates to photo electric emission?
The quantum theory of light explains that light is made up of particles called photons. In the photoelectric effect, photons strike a metal surface, transferring their energy to electrons, which can then be emitted from the metal. This process demonstrates the particle-like behavior of light, as individual photons interact with electrons one at a time to cause emission.
What is the difference between spontaneous and stimulated emission of light?
stimulated emission causes due to the energy difference between the higher and lower energy level state, but it doesn't depends in the case of spontaneous emission . spontaneous emission causes without any stimulation .In stimulated emission energy transfer is twice the energy transfer of spontaneous emission.
Can light be transmitted with or without a medium?
Light can be transmitted through a vacuum without the need for a medium, such as in outer space. However, in material mediums like air, water, or glass, light can also be transmitted through a process of absorption and re-emission of photons by the atoms in the medium.
What particular behavior of light that shows particle property?
The behavior of light known as the photoelectric effect demonstrates its particle property. This phenomenon involves the emission of electrons from a metal surface when light of sufficient energy (photons) is shone on it, causing the electrons to be ejected like particles.
How does an energized atom of a particular element emit light?
When an energized atom of a specific element releases energy, it emits light in the form of photons. This process is known as emission of light.
How does an energized atom of a specific element emit light?
When an energized atom of a specific element releases energy, it emits light in the form of photons. This process is called emission of light.
Why Laser action is sometimes called inverted absorption?
Laser action is sometimes called inverted absorption because in traditional absorption processes, electrons are excited to higher energy levels. In laser action, the process is inverted, where electrons are already in higher energy levels before emitting photons through stimulated emission. This results in amplification of light instead of attenuation, as in absorption.
Does photoluminescence produce any emitted ionizing radiation?
No, photoluminescence does not produce ionizing radiation. It mainly involves the emission of photons (light) when a material absorbs photons of higher energy and re-emits them at a lower energy level. This process does not involve the emission of ionizing radiation.
What is the difference between field emission and photoelectric emission?
* emisssion of electron from the surface of the metal when light of suitable frequency falls-photoelectric emission. * emision of electron from the metal by quantum tunnling of electron.
What do photons do to chloroplasts?
Photons are absorbed by chlorophyll molecules in chloroplasts during photosynthesis. This absorption of light energy is used to drive the process of converting carbon dioxide and water into glucose and oxygen.
