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posted by Cad on Friday, March 25, 2011 at 3:51pm.
What is the energy of a 425 nm photon? a) 2.82 x 10^-40 J b) 1.6 x 10^-27 J c) 4.67 x 10^-19 J d) 4.67 x 10^-28 J I don't get any of these answers. =S Please help...
See your other post above.
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