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AP Physics 2
15.3 Emission and Absorption Spectra
BeginnerMCQConceptual25.5k
Energy levels and corresponding emission line spectrum.
Energy levels and corresponding emission line spectrum.
An energized gas sample of an element emits light, producing a discrete emission spectrum with bright lines at specific wavelengths \(\lambda_1\), \(\lambda_2\), and \(\lambda_3\) corresponding to electron transitions between energy levels. Continuous white light is subsequently passed through a cool sample of the same gas, producing an absorption spectrum. Which option correctly identifies the appearance of the absorption spectrum lines relative to the emission lines and describes the electron transitions occurring during photon absorption?

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