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The first line of the sharp series of atomic cesium is a doublet with wavelengths `1358.8` and `1469.5 nm`. Find the frquency intervals (in rads/s units) between the components of the sequent lines of that series. |
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Answer» The sharp series arise from the transitions `ns rarr mp`. The `s` lines are unsplit so the splitting is due entirely to the `p` level. The frequency difference between sequen t lines is `(DeltaE)/( ħ)` and is the same for all lines of the sharp series. It is `(1)/( ħ)((2pi ħc)/(lambda_(1))-(2pi ħc)/(lambda_(2)))=(2pi cDeltalambda)/(lambda_(1)lambda_(2))` Evaluation gives `1.645xx10^(14)rad//s` |
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