How is the energy difference (∆E) between two energy levels calculated? - ATOMIC STRUCTURE Quiz | GKFix.in

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Question

How is the energy difference (∆E) between two energy levels calculated?

A. ∆E = RH (1/nf² – 1/ni²)
B. ∆E = RH (ni² – nf²)
C. ∆E = RH (nf² – ni²)
D. ∆E = RH (1/ni² – 1/nf²)

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