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The wavelength of yellow line of sodium is 5896 Å. Its wave number will be |
50883 × 1010 per second 16961 per cm 17581 per cm 50883 per cm |
16961 per cm |
Wave number $\bar{v}=\frac{1}{\lambda}=\frac{1}{5896 \times 10^{-8}}$ = 16961 per cm |
