The Wavelength of the Emitted Photon If an Electron in the Hydrogen

question 4

Multiple Choice

The wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the n = 2 state to the ground state is closest to which of the following values? (c = 3.0 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)122 nm
• B)203 nm
• C)243 nm
• D)389 nm
• E)411 nm

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