A Hydrogen Atom Makes a Downward Transition from The $n = 15$

question 60

Multiple Choice

A hydrogen atom makes a downward transition from the $n = 15$ state to the $n = 5$ state. Find the wavelength of the emitted photon. (c = 3.00 × 10⁸ m/s, 1 eV = 1.60 × 10^-19 J, h = 6.626 × 10^-34 J ∙ s)

• A) 2.56 μm
• B) 1.54 μm
• C) 2.05 μm
• D) 3.07 μm

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