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Chemistry 10 Online
OpenStudy (elianymendoza):

How many photons are produced in a laser pulse of 0.820 J at 681 nm?

OpenStudy (anonymous):

The equation to find the number of photons is E=nhf n= number of photons h=planks constant f= frequency E=energy in joules you could find frequency by using the universal wave equation v(speed of light) =wavelength x freqeuncy butremeber that wavelength is inmeters not nanometers so you have to convert

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