00 \, \text{Å} = 4.00 \times 10^{-10} \, \text{m} \) transitions from an excited state to the ground state, emitting a photon with a wavelength of \( \lambda = 9.41 \, \text{nm} = 9.41 \times 10^{-9} \, \text{m} \). We need to find the quantum number \( n \) of the
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