The Ritz combination principle states that:

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(A) The Ritz combination principle states that the wave number of any spectral line in an atomic spectrum can be expressed as the difference between t

Vedclass · Accepted Answer

$\bar{
u} = R_H (Z^2) \left[ \frac{1}{n_1^2} - \frac{1}{n_2^2} ight]$

Vedclass · Answer

(A) The Ritz combination principle states that the wave number of any spectral line in an atomic spectrum can be expressed as the difference between two spectral terms. Mathematically,it is represented as $\bar{
u} = T(n_1) - T(n_2)$,where $T(n) = \frac{R_H Z^2}{n^2}$. This leads to the Rydberg formula: $\bar{
u} = R_H Z^2 \left[ \frac{1}{n_1^2} - \frac{1}{n_2^2} ight]$. Option $A$ represents the Rydberg formula,which is a direct application of the Ritz combination principle. Therefore,$A$ is the correct answer.

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