Which spectral series of the hydrogen atom ar | vedclass

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(B) The spectral series of the hydrogen atom are determined by the Rydberg formula: $\frac{1}{\lambda} = R \left( \frac{1}{n_f^2} - \frac{1}{n_i^2} \r

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Paschen,Brackett,and Pfund series

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(B) The spectral series of the hydrogen atom are determined by the Rydberg formula: $\frac{1}{\lambda} = R \left( \frac{1}{n_f^2} - \frac{1}{n_i^2} \right)$.For the hydrogen atom,the regions are as follows:$1$. Lyman series $(n_f = 1)$: Ultraviolet region.$2$. Balmer series $(n_f = 2)$: Visible region.$3$. Paschen series $(n_f = 3)$: Infrared region.$4$. Brackett series $(n_f = 4)$: Infrared region.$5$. Pfund series $(n_f = 5)$: Infrared region.Therefore,the Paschen,Brackett,and Pfund series are found in the infrared region.

Which spectral series of the hydrogen atom are found in the infrared region?

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