The figure shows six spectral lines in an emi | vedclass

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(C) In an absorption spectrum,transitions occur from the ground state (lowest energy level) to higher energy levels. Looking at the provided energy le

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$4, 5, 6$

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(C) In an absorption spectrum,transitions occur from the ground state (lowest energy level) to higher energy levels. Looking at the provided energy level diagram,the transitions $1, 2, 3$ originate from the lowest energy level $A$ to higher levels $X, B, C$ respectively. Therefore,transitions $1, 2, 3$ can appear in the absorption spectrum. Transitions $4, 5, 6$ originate from higher energy levels to lower energy levels,which corresponds to emission,not absorption. Thus,lines $4, 5, 6$ do not appear in the absorption spectrum.

The figure shows six spectral lines in an emission spectrum arising from energy level transitions. Which of the following spectral lines does not appear in the absorption spectrum?

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