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AP Physics 2
15.3 Emission and Absorption Spectra
15.2 The Bohr Model of Atomic Structure
BeginnerMCQMathematicalConceptual18.3k
Energy level diagram showing electron transitions I, II, and III.
Energy level diagram showing electron transitions I, II, and III.
An atom has four energy levels labeled \(n = 1, 2, 3, 4\) with energy values \(E_1 = -12\text{ eV}\), \(E_2 = -6\text{ eV}\), \(E_3 = -3\text{ eV}\), and \(E_4 = -1\text{ eV}\), as shown in the diagram. Three downward electron transitions, labeled I, II, and III, result in the emission of photons with wavelengths \(\lambda_I\), \(\lambda_{II}\), and \(\lambda_{III}\), respectively. Which of the following correctly ranks the wavelengths of the emitted photons?

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