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When I heat up a metal where do photons come from? : askscience


Oct 21, 2012 ... This vibration is also shaking the electrons which then emit photons ... An electron can absorb some energy, this causes it to "jump" to a higher ...


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Where does an emitted photon come from? Is it produced? - Quora


In quantum electrodynamics (QED) a charged particle emits exchange force particles continuously. This process has no effect on the properties of a charged ...


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I found an answer from www.reddit.com

Where do photons come from, or how are they "created"? : askscience


One is to say that charged particles emit and absorb photons. ... neatly with the question of how an electron can just emit and absorb photons.


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I found an answer from physics.stackexchange.com

laser - Where does the photon that stimulates an atom's stimulated ...


Stimulated emission is the process by which an incoming photon of a ... As you can see, the photons come from light, that is travelling in sthe ...


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electromagnetic radiation - Where do gamma ray photons come ...


So where did the ripple come from? We can say it ... The same principle goes for gamma ray emission from an atomic nucleus. The charges in ...


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When the filament in an incandescent bulb lights up, where do the ...


Because the electrons are charged particles, they emit photons whenever they ... Sure, they do come from an electrical current, but where does the electrical ...


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Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

Photon - Wikipedia


The photon is a type of elementary particle, the quantum of the ..... law could be derived from a semi-classical, statistical treatment ... and that the atoms can emit and absorb that radiation.


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I found an answer from science.howstuffworks.com

Producing a Photon | HowStuffWorks


Learn about producing a photon and the phenomenon of light. ... produce photons, but all of them use the same mechanism inside an atom to do it. ... During the fall from high energy to normal energy, the electron emits a photon -- a packet of ...


For more information, see Producing a Photon | HowStuffWorks

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I found an answer from en.wikipedia.org

Spontaneous emission - Wikipedia


Spontaneous emission is the process in which a quantum mechanical system transitions from ... The first person to derive the rate of spontaneous emission accurately from .... That is, the electromagnetic field has infinitely more degrees of freedom, corresponding to the different directions in which the photon can be emitted.


For more information, see Spontaneous emission - Wikipedia

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I found an answer from image.gsfc.nasa.gov

How long does it take light to get out from the inside of the Sun?


For the sun, we know how far we want to go to get out....696,000 kilometers, we just need to know how far a photon travels between emission and absorption, ...


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I found an answer from imagine.gsfc.nasa.gov

Electromagnetic Spectrum - Introduction


... out as it goes – the visible light that comes from a lamp in your house and the radio ... Radio: Your radio captures radio waves emitted by radio stations, bringing ... can be described in terms of a stream of mass-less particles, called photons, ...


For more information, see Electromagnetic Spectrum - Introduction