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April 17, 2014

Homework Help: physics

Posted by Beth on Saturday, July 21, 2012 at 9:01pm.

Find the wavelength (in nm) of a photon whose energy is 5.90 x 10-19 J.

I understand that I have to use this equation to figure out the problem E=nhf, I just keep getting the wrong answer. Which is 33.68 nm

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