A Photon Is Emitted from a Hydrogen Atom That Undergoes

question 39

Multiple Choice

A photon is emitted from a hydrogen atom that undergoes a transition from n = 3 to n = 2.Calculate the energy and wavelength of the photon.(The ionization energy of hydrogen is 13.6 eV,and h = 6.63 x 10^-34 J*s,c = 3.00 x 10⁸ m/s,1 eV = 1.60 x 10^-19 J,and 1 nm = 10^-9 m)

• A)1.89 eV,658 nm
• B)2.21 eV,563 nm
• C)1.89 eV,460 nm
• D)3.19 eV,658 nm

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