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MrDMD83
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Homework Statement
The K characteristic X-ray line for tungsten has a wavelength of 1.94 10-11 m. What is the difference in energy between the two energy levels that give rise to this line? Express this in each of the following units.
(a) joules
J
(b) electron volts
eV
Homework Equations
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The Attempt at a Solution
How do I find the two energy levels?