What is Rydberg's constant? In some sources, it is given in terms of wave number (around 109677 cm^-1) and in other sources it is given in terms of energy (2.18*10^-18 J). Which one is it, and if it is both, why?
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The value of the Rydberg constant R∞ is 1.0973731568508 × 107 per metre. When used in this form in the mathematical description of series of spectral lines, the result is the number of waves per unit length, or the wave numbers. Multiplication by the speed of light yields the frequencies of the spectral lines.
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What is Rydberg's constant? In some sources, it is given in terms of wave number (around 109677 cm^-1) and in other sources it is given in terms of energy (2.18*10^-18 J). Which one is it, and if it is both, why?
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