Answer to Question #120933 in Atomic and Nuclear Physics for Anthony

Question #120933
An argon-ion laser emits a blue-green beam of light with a wavelength of 488nm in a vacuum.
Compute the energy in joules for the two energy states for the atomic transition which produces
this light?
1
Expert's answer
2020-06-09T13:21:05-0400

Energy is calculated by hcλ=6.63×1034×3×108488×109=4×1019joules\frac{hc}{\lambda}=\frac{6.63\times10^{-34}\times3\times10^8}{488\times10^{-9}}=4\times10^{-19}joules


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