Quanta/s vs Einstein/s. what is the difference?

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The discussion clarifies the distinction between the units "quanta/s" and "einstein/s" in the context of photochemical calculations. An "einstein" refers to a specific quantity of photons, defined as one mole of photons (approximately 6.022 x 1023 photons), while "quanta" refers to individual packets of energy, specifically light particles. The terms may reflect historical usage, with "einstein" being more prevalent in older literature, while "quanta" aligns with modern terminology in photochemistry.

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could someone please explain to me the difference (if there is one) between quanta/s and einstein/s?
i'm doing some photochem calculations and the sources I've looked at seem to use both these units. some are from the 50's so maybe its a time period thing like optical density (past) and absorbance (more recent)?
 
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eooxx said:
could someone please explain to me the difference (if there is one) between quanta/s and einstein/s?
i'm doing some photochem calculations and the sources I've looked at seem to use both these units. some are from the 50's so maybe its a time period thing like optical density (past) and absorbance (more recent)?

Have a look here:

http://en.wikipedia.org/wiki/Einstein_(unit)

and see if that answers your questions. If not, then come back and ask more specific questions.
 
ok, einstein use frame where no particle can reach speed of light (means his theory applied until particle reach light speed) and quanta is about light particles. so, it starts where einstein stop.
 

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