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Yes. According to quantum mechanics, the light quanta in light also have a certain momentum, and photons also follow the law of conservation of momentum.
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Light is an electromagnetic wave, it has no mass, there is no inertia, light does not produce light pressure when it shines on an object, light emits electrons on metal, but eventually electrons also fall back on metal. No impetus is generated.
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No. Because photons have no mass and do not carry kinetic energy, light reaches the surface of an object from a distance and does not exert a thrust on the object.
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If we are based onQuantum mechanicsThe theory to think, in the lightQuantum of lightThere is also a certain momentum, and the photons also followThe law of conservation of momentum, if the light is in a vacuum and gravityless environment in spaceSpaceship, almost no drag will show reverse thrust, therefore, light sails can be used to propel small spacecraft forward, thus obtaining a flight speed close to the speed of light, the microscopic explanation of light pressure involves quantum theory, which is mainly reflected in the particle nature of light.
Because light has wave-particle duality.
When the concept of photons is proposed, optical pressure can be seen as the process by which photons transfer momentum, in fact, we can think of this photon as a glass sphere, when a beam of light hits the surface of an object, a large number of glass spheres constantly collide with the surface of the object, which shows continuous pressure on a macroscopic scale, and this collision follows the principle of conservation of momentum, if he wants to produce thrust, when the magnetic field or charge is affected by the changing electromagnetic field generated by the light.
It is necessary to stabilize the direction of the force on the surface of the object, however, because light produces a varying electromagnetic field at the same frequency, the force resulting from interaction with the surface of an ordinary object will also change over time and will not be a force in the direction of stability, when the light reaches the surface of the object, it will change the state of the charged or magnet in the object, and this change in state is related to the frequency of the light, including the surface morphology of the charged or magnet and the amount of charge or magnetism.
The role of light is very large, such as ultraviolet light.
Sterilization is the use of ultraviolet rays of the appropriate wavelength to destroy DNA and DNA in microbial cells.
or the molecular structure of RNA ribonucleic acid, which leads to the death of growing cells and/or the death of regenerated cells, to achieve the effect of sterilization, ultraviolet disinfection technology is based on modern epidemic prevention, medicine and photodynamics, and adopts specially designed high-efficiency, high-intensity, long-service life UVC band ultraviolet illumination water.
On the question of whether light has power or not, does light produce thrust from a distance to the surface of an object, it is explained here today.
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I think light should have power, because there is no way that the world is completely powerless. Light may thrust from distant surfaces, but we don't feel it.
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Light doesn't have any power, but the process of light traveling from a distance to the surface of an object produces this thrust, which will make the light have a speed and have a moment of passing by an object, just a few seconds.
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Because light has no mass, light has no power. According to the conservation of momentum, light from a distance to an object does not produce thrust.
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I've experimented with how light can propel objects.
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No, light is colorless and odorless].
Whatever color the object reflects, it absorbs other light.
The route to Mount Tai.
There are four roads on Mount Tai, the east road is the mountaineering road starting from the red gate to the top stone steps of the Jade Emperor 6566 steps, along the road of Mount Tai travel map many temples, many inscriptions, many ancient trees and famous trees, historical legends, is the essence of Mount Tai tourism, but also the majesty and broadness of Mount Tai can be the most reflected. The walk takes four hours. The west road is a tour road, take a car up the mountain from Tianwai Village, take an hour to Zhongtianmen, converge with the East Road, you can take the tour cableway from Zhongtianmen, and you can also hike to the top of the eighteen pans. >>>More
If it's a color cast, it's probably a problem with the white balance settings. A yellowish cast means that the white balance is set low. >>>More
The color of the object "is often described as the physical properties of the object, with considerable stability, but implicit in the premise that "under natural light conditions", leaving it aside is as absurd as leaving the pressure to discuss the volume of a gas of a certain mass. In this sense, the color of an object is the same when there is no light as when there is light, for example, if someone is very capable and slaughters a chicken at night with his eyes closed when there is no light, you can't say that the chicken's blood is black. >>>More
Known: total distance = 6900 meters.
Find: The average speed of the whole journey = ? >>>More