The transition from the state n = 3 to n = 1 | vedclass

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(B) The spectral series of a hydrogen-like atom are categorized based on the final energy level $n_f$ of the electron transition.$1$. The Lyman series

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$4 	o 3$

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(B) The spectral series of a hydrogen-like atom are categorized based on the final energy level $n_f$ of the electron transition.$1$. The Lyman series $(n_f = 1)$ results in ultraviolet $(U.V.)$ radiation.$2$. The Balmer series $(n_f = 2)$ results in visible radiation.$3$. The Paschen series $(n_f = 3)$ results in infrared $(I.R.)$ radiation.Since the transition $n = 4 	o n = 3$ ends at the third energy level $(n_f = 3)$,it belongs to the Paschen series,which produces infrared radiation.Therefore,the correct option is $4 	o 3$.

The transition from the state $n = 3$ to $n = 1$ in a hydrogen-like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from

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