Practice question
Question
What is the energy difference between n = 1 and n = 2 levels in a hydrogen atom for photon emission? (E₁ = -2.18 × 10⁻¹⁸ J)
Explanation
E₂ = -5.45×10⁻¹⁹ J. ΔE = |E₂ - E₁| = 1.635×10⁻¹⁸ J.
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