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  1. 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 …

  2. What Is a Photon? Definition and Facts - Science Notes and ...

    Dec 14, 2022 · Learn about photons in physics. Get the photon definition and fun facts about this interesting unit of light.

  3. PHOTON Definition & Meaning - Merriam-Webster

    The meaning of PHOTON is a quantum of electromagnetic radiation. How to use photon in a sentence. Science and the Photon.

  4. Photon | Definition, Discovery, Charge, & Facts | Britannica

    Dec 24, 2025 · 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 …

  5. Photon: Definition, Properties, and Applications - Science Facts

    Jun 10, 2025 · It is an elementary particle with no mass and no electric charge, yet it carries both energy and momentum, allowing it to travel through space and interact with matter. The …

  6. What Is a Photon? The Quantum Particle of Light

    May 24, 2025 · For centuries, scientists pondered whether light was a wave, a particle, or something even stranger. The answer, unveiled through the birth of quantum mechanics, is …

  7. Science Made Simple: What Are Photons? - SciTechDaily

    Jun 27, 2024 · Photons represent the entire spectrum of electromagnetic radiation. This includes radio waves, gamma-rays, and visible light. Photons carry electromagnetic energy. This …