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

question 76

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 ?m
• B)1.54 ?m
• C)2.05 ?m
• D)3.07 ?m

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