Practice question
Question
The ratio of the wavelengths of the second lines in the Balmer and Paschen series of a hydrogen atom is: (RH = 1.097 × 10⁷ m⁻¹)
Explanation
Balmer (4→2): λ₁ ≈ 4.861×10⁻⁷ m. Paschen (5→3): λ₂ ≈ 1.281×10⁻⁶ m. Ratio ≈ 0.379.
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