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Photons are massless particles that always move at the speed of light measured in vacuum. The photon belongs to the class of boson particles. As with other elementary particles, photons are best explained by quantum mechanics and exhibit wave–particle duality , their behavior featuring properties of both waves and particles . [ 2 ]
Sometimes you'll hear that light is made of photons. What that means is that when light is absorbed or emitted, the energy in the wave comes in lumps. The size of those lumps (or "quanta") of energy depends on the frequency.
19 hours ago · Photon Applications. Lasers: Lasers work by emitting photons of the same energy, creating a focused beam of light. This technology is used in everyday devices like barcode scanners and printers and even in medical treatments such as eye surgery (e.g., LASIK). Photosynthesis: In plants, photons from sunlight are absorbed by chlorophyll and other ...
Mar 10, 2022 · 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...
Jun 23, 2017 · Not only is light made up of photons, but all electromagnetic energy (i.e. microwaves, radio waves, X-rays) is made up of photons. The original concept of the photon was developed by...
- Science Journalist
Dec 14, 2022 · It is a quantum or packet with no rest mass, yet with momentum. 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.
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Photon, also known as light quantum, is a minute energy packet of electromagnetic radiation. The idea of photon arose in 1905 from Albert Einstein’s description of the photoelectric effect, in which he suggested the presence of discrete energy packets during the transmission of light.
