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How long does a photon live?

Updated: 9/20/2023
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11y ago

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Photons go on foerever.

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Q: How long does a photon live?
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Which is more energetic a red photon or a blue photon?

The energy of a photon is inversely propotional to its wavelength. The wavelength of a blue photon is less than that of a red photon. That makes the blue photon more energetic. Or how about this? The energy of a photon is directly proportional to its frequency. The frequency of a blue photon is greater than that of a red photon. That makes the blue photon more energetic. The wavelength of a photon is inversely proportional to its frequency. The the longer the wavelength, the lower the frequency. The shorter the wavelength, the higher the frequency.


The is the particle that carries radiant energy?

photon


What is the mass of moving photon?

the mass of a photon is zero


How do you find the energy of a photon?

You need to know the photon's frequency or wavelength. If you know the wavelength, divide the speed of light by the photon's wavelength to find the frequency. Once you have the photon's frequency, multiply that by Planck's Konstant. The product is the photon's energy.


What is the physical significance of planks constant?

Planck's Constant (abbreviated as 'h'), when first "discovered," was found to be the ratio of the energy of an individual photon to the frequency of that photon's light. In other words, the energy of a photon is equal to h times the photon's frequency. It has since been found that h fits into a wide variety of formula that allow us to understand the Universe we happen to live in. Without this constant, a lot of our Universe would be incomprehensible.

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What is the longest wavelength photon?

There is no longest wavelength for photons. It can be arbitrarily long.


How can plants get engery form artificial light?

a photon is a photon is a photon


Which is more energetic a red photon or a blue photon?

The energy of a photon is inversely propotional to its wavelength. The wavelength of a blue photon is less than that of a red photon. That makes the blue photon more energetic. Or how about this? The energy of a photon is directly proportional to its frequency. The frequency of a blue photon is greater than that of a red photon. That makes the blue photon more energetic. The wavelength of a photon is inversely proportional to its frequency. The the longer the wavelength, the lower the frequency. The shorter the wavelength, the higher the frequency.


What is the difference between tata photon whiz and tata photon plus?

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Is a photon visible?

The photon doesn't have a figure one can relate to. We can't say a photon looks like this -- or like that, because there's nothing in the world we see with our eyes day by day that looks like a photon.


Does a photon have electrons?

No. A photon is a particle of light. It is massless.


What is a quantum of electromagnetic energy called?

. . . photon.


Is photon time travelling?

No, a photon is not time travelling


The is the particle that carries radiant energy?

photon


What is the mass of moving photon?

the mass of a photon is zero


How do you find the energy of a photon?

You need to know the photon's frequency or wavelength. If you know the wavelength, divide the speed of light by the photon's wavelength to find the frequency. Once you have the photon's frequency, multiply that by Planck's Konstant. The product is the photon's energy.


Could an atom emit one photon of blue light after absorbing only one photon of red light?

No, it could not. A blue photon carries more energy than a red photon, since the blue photon's frequency is higher. That means one red photon wouldn't deliver enough energy to the atom to give it the energy to emit a blue photon.