Shortest wavelength associated to Paschen series is:
Correct answer: B. π=9/RH
- A. π=8/RH
- B. π=9/RH
- C. π=19/RH
- D. π=4/RH
Explanation
The Paschen series corresponds to electron transitions from higher energy levels down to the n=3 level. The shortest wavelength associated with this series occurs during the transition from n=4 to n=3, which can be calculated using the Rydberg formula. The correct formula for this transition is π=9/RH, where RH is the Rydberg constant. The other options are incorrect because they correspond to transitions that are not part of the Paschen series or suggest incorrect energy levels.
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