A Hydrogen Atom Makes a Downward Transition from the

question 9

Multiple Choice

A hydrogen atom makes a downward transition from the state to the n = 5 state. Find the wavelength of the emitted photon. The lowest level energy state of hydrogen is -13.6 eV. (h = 6.626 × 10^-34 J ∙ s, 1 eV = 1.60 × 10^-19 J, c = 3.00 × 10⁸ m/s)

• A) 2.43 μm
• B) 1.46 μm
• C) 1.94 μm
• D) 2.92 μm

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