Chemistry, asked by SamirChaudhary5526, 1 month ago

IN THE spectrum of sodium the wave length of two brightlines

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Answered by rohitgmalilcom
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The sodium spectrum is dominated by the bright doublet known as the Sodium D-lines at 588.9950 and 589.5924 nanometers. From the energy level diagram it can be seen that these lines are emitted in a transition from the 3p to the 3s levels. The line at 589.0 has twice the intensity of the line at 589.6 nm.

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