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Chery Chery
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7 years ago
The wavelength of a ruby laser is 694.3 nm.  What is the energy difference between the two energy states for the transition that produces this light? (c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ∙ s)
A) 1.54 eV
B) 1.65 eV
C) 1.79 eV
D) 1.81 eV
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College Physics

College Physics


Edition: 1st
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noreyaganoreyaga
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I needed this so much, thanks
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