WebFeb 10, 2024 · The fact of the matter is that light does travel in the electromagnetic field, but the electromagnetic field is just a mathematical tool - as are all the other fields in QFT. You can't touch the EM field, just like you can't touch the fields that give rise to physical matter. You might say that we can touch matter and so those fields are more real. WebJun 8, 2024 · Travel distance depends on the type of radiation, as does the ability to penetrate other materials. Alpha and beta particles do not travel far at all, and they are easily blocked. By contrast, gamma rays , x-rays , and neutrons travel a significant distance and are much more difficult to block (particularly for large radioactive sources).
Does radiation need a medium? - Answers
Web2. I'm not sure this question has an answer. Science has observed that electromagnetic radiation (including visible light) can travel through a vacuum, and we can use this … WebRadiation can be described as energy or particles from a source that travel through space or other mediums. Light, heat, and the microwaves and radio waves used for wireless communications are all forms of radiation. Radiation includes particles and electromagnetic waves that are emitted by some materials and carry energy. jamie overton england cricket
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WebJan 26, 2012 · Heat Radiation does not need a medium (particles of matter). Why is electromagnetic radiation described as a transverse wave? Because the theory is that this is what the form is. WebSep 29, 2024 · Radiation Exposure in Air Travel. The following fact sheets explain different places where you may encounter radiation when you travel by plane. Some of these … WebSep 13, 2024 · Infrared passes through (undoped) silicon. Many glasses also transmit infrared. The reason materials do not pass infrared may be absorption by internal degrees of freedom, such as vibrations, or reflection/absorption by electronic excitations. A good place to get information on infrared properties of materials is refractiveindex.info. lowest car refinance rate texas