The First Bohr Radius, A₀, Is 0

question 133

Multiple Choice

The first Bohr radius, a₀, is 0.0529 nm and the corresponding energy, E₀, is 13.6 eV. The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 4 to n = 2 is

• A) 656 nm.
• B) 486 nm.
• C) 434 nm.
• D) 410 nm.
• E) None of these is correct.

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