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usman1984
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Hi. My question is why in photoelectric effect in coming photon interacts with bound electrons only?
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The photoelectric effect is a phenomenon in which electrons are emitted from a material when it is exposed to light or other electromagnetic radiation.
When light or other electromagnetic radiation shines on a material, it transfers energy to the electrons in the material. If the energy is high enough, the electrons can overcome the attractive forces of the material's atoms and escape, resulting in an electric current.
Bound electrons are electrons that are tightly held by the nucleus of an atom in a material. They are not free to move and are typically found in the inner shells of an atom.
Bound electrons are involved in the photoelectric effect because they require a certain amount of energy, known as the work function, to be released from the material. When light or electromagnetic radiation with enough energy is absorbed by the material, the bound electrons can overcome the work function and be released.
The photoelectric effect has significant implications in various fields such as physics, chemistry, and technology. It provided evidence for the wave-particle duality of light and helped develop the concept of photons. It also led to the invention of the photovoltaic cell, which converts light energy into electrical energy and is used in solar panels.