Photon numbers

P680 can also directly absorb a photon at a suitable wavelength.

And what's more amazing is that if a solitary photon passes by an excited atom that could emit another photon, there's a good chance it will emit one.

Part of the energy of the photon is transferred to the recoiling electron.

If the photon energy is too low, the electron is unable to escape the material.

And then they actually go to photosystem I and they get hit by another photon.

The colors that appear in the sky depend on the wavelength of the atom's photon.

But why do the atoms emit light just because another photon passes by? It's actually pretty simple.

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As the universe cooled, the rest mass energy density of matter came to gravitationally dominate that of the photon radiation.

Heisenberg gave, as an illustration, the measurement of the position and momentum of an electron using a photon of light.

As the sound starts to pulse and contract, our physicists can tell when a photon is going to be emitted.

The Tc 99m then further decays, while inside a patient, releasing a gamma photon which is detected by the gamma camera.

Prior to this, the universe comprised a hot dense photon baryon plasma sea where photons were quickly scattered from free charged particles.

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Women constitute the majority of single parents, only 1 of single parents are single fathers.

Carter eventually returned to London where he became a freelancer as well as the typographic advisor to Crosfield Electronics, distributors of Photon phototypesetting machines.

If Europe has a single market and a single currency, it needs a single bank regulator.

Today's hit single is not last year's hit single.

And so a photon, or a set of photons, comes here and maybe it excites some electrons, it doesn't have to be in chlorophyil A.

Once one of them spontaneously emits a photon, it'll stimulate some of the others to do so, and you get a nice cascade of illumination.

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