Explain the wavelengths of the sodium doublet

Reference no: EM13312606

The wavelengths of the sodium doublet can be accurately measured despite the fact that they are very short. The IUPAC standard for the meter is, in fact, based on the wavelength of a particular line in the emission spectrum of the element krypton. According to the standard, one meter is defined as 1,650,763.73 wavelengths. What color is this line?

Reference no: EM13312606

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