The speed of the electric field can decide the speed of the photons in free space. As a result, they are able to travel at the speed of light. Photons are particles that have neither a charge nor a mass. Thus a quantum of electromagnetic radiation or energy is called a photon. Or, to put it another way, photon energy is stored in the form of an oscillating electric field that can oscillate at any frequency. Maxwell has described photons as electric fields which are traveling through space. Photon:Īs the energy that is contained by photons is not divisible, they are often described as energy packets. If the energy and frequency of a photon are known, then from that, one can easily find the wavelength of the photon.īefore we get into the wavelength of a photon, let’s have a look at what a photon is. As the photon is ultimately a part of the electromagnetic wave, its wavelength will be the same as the electromagnetic wave. Photons travel through electromagnetic waves. So in this article, we will look at what is the wavelength of photons and how to find it. The wavelength of photons tells us about their energy.
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