The Figure Shows Part of the Energy Level Diagram of a Certain

question 102

Multiple Choice

The figure shows part of the energy level diagram of a certain atom. The energy spacing between levels 1 and 2 is twice that between 2 and 3. If an electron makes a transition from level 3 to level 2, the radiation of wavelength λ is emitted. What possible radiation wavelengths might be produced by other transitions between the three energy levels?

• A) both λ/2 and λ/3
• B) only λ/2
• C) both 2λ and 3λ
• D) only 2λ

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