The Pfund Series Results from Emission/absorption of Photons Due to Transitions

question 57

Multiple Choice

The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n=5 energy level from/to higher energy levels.What is the longest wavelength photon emitted in the Pfund series?

• A)658 nm
• B)2.29 µm
• C)2.74 µm
• D)7.47 µm
• E)12.4 µm

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