Posted by Morgan on Sunday, March 25, 2012 at 11:54pm.
The energy difference between levels is 15.1 eV. Convert that to Ephoton, in Joules.
Ephoton = 2.42*10^-18 J
Set that equal to h*c/(wavelength) and solve for the wavelength.
h is Planck's constant.
c is the speed of light
The photon will be in the very far "vacuum" ultraviolet.
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