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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
  • Photon | Definition, Discovery, Charge, Facts | Britannica
    Considered among the subatomic particles, photons are bosons, having no electric charge or rest mass and one unit of spin; they are field particles that are thought to be the carriers of the electromagnetic field
  • Photons - Chemistry LibreTexts
    Photons have no charge, no resting mass, and travel at the speed of light Photons are emitted by the action of charged particles, although they can be emitted by other methods including radioactive decay
  • What Is a Photon? Definition and Facts - Science Notes and Projects
    Learn about photons in physics Get the photon definition and fun facts about this interesting unit of light
  • 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 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
  • PHOTONS Definition Meaning - Merriam-Webster
    It was Albert Einstein who first theorized that the energy in a light beam exists in small bits or particles, and scientists today know that light sometimes behaves like a wave (somewhat like sound or water) and sometimes like a stream of particles
  • What Is a Photon? The Quantum Particle of Light
    A photon is the smallest discrete unit of light and other forms of electromagnetic radiation It is a quantum of electromagnetic energy that carries energy and momentum from one place to another
  • Photon - Simple English Wikipedia, the free encyclopedia
    Photons (from Greek φως, meaning light), in many atomic models in physics, are particles which transmit light In other words, light is carried over space by photons Photon is an elementary particle that is its own antiparticle
  • Photon energy - Wikipedia
    As one joule equals 6 24 × 1018 eV, the larger units may be more useful in denoting the energy of photons with higher frequency and higher energy, such as gamma rays, as opposed to lower energy photons as in the optical and radio frequency regions of the electromagnetic spectrum





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