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photons    音标拼音: [f'ot,ɑnz]
n. 光子,光量子

光子,光量子


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  • Photon - Wikipedia
    A photon (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light') is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force
  • What are photons? - Live Science
    Photons are fundamental subatomic particles that carry the electromagnetic force — or, in simpler terms, they are light particles (and so much more) The photon is also the "quantum," or
  • What Is a Photon? Definition and Facts - Science Notes and Projects
    A photon is a packet or quantum of light and the force carrier of the electromagnetic force It is an elementary particle Like other elementary particles, photons display properties of both particles and waves Photons have the following properties: A photon has zero rest mass However, because it is moving, it has momentum
  • Photon | Definition, Discovery, Charge, Facts | Britannica
    photon, minute energy packet of electromagnetic radiation The concept originated (1905) in Albert Einstein ’s explanation of the photoelectric effect, in which he proposed the existence of discrete energy packets during the transmission of light
  • Photon: Definition, Properties, and Applications - Science Facts
    Photons carry energy in quantized, fixed amounts, known as ‘quanta,’ rather than in a continuous flow in small, specific, meaning discrete packets of energy This means that each photon has a set amount of energy that comes in discrete packets, depending on its frequency
  • What Is a Photon in Physics? - ThoughtCo
    Photons have no mass, but they carry energy and momentum that link to their frequency and wavelength A photon is a particle of light defined as a discrete bundle (or quantum ) of electromagnetic (or light) energy
  • DOE Explains. . . Photons - Department of Energy
    Photons represent the entire spectrum of electromagnetic radiation This includes radio waves, gamma-rays, and visible light Like many other particles governed by quantum mechanics, photons have the characteristics of both waves and particles
  • What Is a Photon? The Quantum Particle of Light
    The answer, unveiled through the birth of quantum mechanics, is that light is composed of tiny packets of energy called photons These quantum particles of light challenge our classical intuition, revealing a universe far more fascinating and peculiar than everyday experience suggests
  • Science Made Simple: What Are Photons? - SciTechDaily
    What Are Photons? Photons are the smallest possible particles of electromagnetic energy and therefore also the smallest possible particles of light Photons can travel at the speed of light because they have no mass (thanks to relativity)
  • Photon - GeeksforGeeks
    Photons, the fundamental particles of electromagnetic radiation are the basic packets of energy and travells at the speed of light In this article we have describe the characteristics of photons, including their wave-particle duality, quantized nature, mass lessness, and role as carriers of electromagnetic force





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