What is absolute zero? You may not think that if absolute zero exists, it can freeze light

I believe you’ve heard the word “absolute zero” and it often exists in many science fiction movies. Absolute zero is the lowest thermal temperature, about – 273.15 ℃. At this temperature, the molecules have no kinetic energy, but there is potential energy. At this time, the internal energy is the minimum. So does absolute zero really exist? If it exists, can it freeze the light? Follow Xiaobian and look down!

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According to the third law of thermodynamics, absolute zero can not be achieved through limited cooling steps. Absolute zero is a theoretical lower limit of temperature, which can only be infinitely close to, can not be achieved, even less impossible. Therefore, this assumption can only be based on the perspective of speculation, because no one has done such an experiment, and theoretically it can not reach absolute zero.

For the discussion of thermal motion, there is no meaning below absolute zero, but the quantum effect is very obvious at this time, which must be explained from the point of view of quantum mechanics. On the very micro scale, even if the absolute zero in the theory is not completely static, there is still motion. Therefore, absolute zero cannot be established, and motion is absolute.

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In fact, according to the current scientists, absolute zero is impossible in real life, that is to say, it can only be infinitely close to this temperature, but it can never be reached. Scientists say that this is a false proposition.

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As the above theory says, when the temperature reaches absolute zero, the molecules of all objects have no kinetic energy, but the objects have potential energy. But in fact, absolute zero is only theoretical, it is impossible to reach the temperature. Therefore, the right answer to the question of whether absolute zero can freeze light is not yet available.

However, there are still two different views on this issue.

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Some people think that since black holes can swallow and absorb light, absolute zero should also be able to freeze light. Because the essence of light is photon, it has wave particle duality. The dynamic mass of light can be calculated by Einstein’s mass energy equation. At absolute zero, there is no kinetic energy for any molecule, and there is no kinetic energy for light, and light can be frozen.

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But some people think that since light has a dynamic mass, when a photon encounters absolute zero, it will naturally break absolute zero. That is to say, from the moment light collides with absolute zero, the temperature here is not absolute zero.

Therefore, absolute zero is impossible to freeze light. Absolute zero is impossible, but no matter how heated the discussion is, this question will never be answered. Because entropy increase is inevitable in the real environment. All the molecules and particles are moving. And temperature is the characterization of molecular motion. So in practice, absolute zero will never be reached. Therefore, it does not matter whether absolute zero can freeze light.

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Xiaobian thinks that human beings can’t touch absolute zero at all, because there are many factors to complete absolute zero. If all these factors are completed, then absolute zero is no different from eternal illusion. Maybe there is no absolute zero in the world, just human self fantasy. Even if absolute zero really exists, it can’t be completed It’s a freezing event.

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Does absolute zero really exist? Can light be frozen if it exists? I just found out after reading it. Today, I’d like to share with you my views on absolute zero? Welcome to comment area.

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