Find the ratio of the number of atoms of gaseous sodium in the state \( 3 P \) to that in the gr...
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0Find the ratio of the number of atoms of gaseous sodium in the state \( 3 P \) to that in the ground state \( 3 S \) at a temperature \( T=2400 \mathrm{~K} \). The spectral line corresponding to the transition \( 3 P \rightarrow 3 S \) is known to have the wavelength \( \lambda=589 \mathrm{~nm} \).
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