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OpenStudy (anonymous):
How many photons are produced in a laser pulse of 0.445 J at 499 nm?
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OpenStudy (anonymous):
Get energy per photon from E = h c / lambda Divided 0.445 J by energy per photon
OpenStudy (anonymous):
Well since nm is equal to joules, divide 499 by 0.445 which will give you 1121.34831
OpenStudy (anonymous):
nm equal to Joules? no
OpenStudy (anonymous):
Nrwtons times meters is equal to joules.
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