An electron in a hydrogen atom transitions from n = 3 to n = 2. What is the wavenumber of the emitted light? (RH = 1.097
ν̄ = RH (1/4 - 1/9) = 1.5236×10⁶ m⁻¹.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin