In an Allowed Electron Transition in a Hydrogen Atom

question 49

Multiple Choice

In an allowed electron transition in a hydrogen atom,

• A) Δ = 0; = 0, ±1.
• B) Δ = 0, ±1; = ±1.
• C) Δ = 0, ±1; = 0, ±1.
• D) Δ = ±1; = 0, ±1.
• E) Δ = ±1; = ±1.

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