What Is the Wavelength of the Emitted Photon If an Electron

question 59

Multiple Choice

What is the wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the n = 7 state to the n = 2 state? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)199 nm
• B)365 nm
• C)4480 nm
• D)398 nm
• E)796 nm

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