If an electron makes a transition from 4th orbit to inner orbits, then the wavelength for which the radius is maximum, lies in which of the following series?
Correct answer: B. Paschen series
- A. Lyman series
- B. Paschen series
- C. Brackett series
- D. Pfund series
Explanation
You are right, the Paschen series is the correct answer. The Paschen series corresponds to electron transitions from higher energy levels (n ≥ 4) to the n = 3 energy level in a hydrogen atom. The transition from the 4th orbit to the 3rd orbit would result in the longest wavelength in the Paschen series, meaning the radius is maximum for this transition.
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