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The Wavelength of the Emitted Photon When a Hydrogen Atom

Question 135

Multiple Choice

The wavelength of the emitted photon when a hydrogen atom makes a transition from the n = 2 state to the ground state is closest to which of the following values? (c = 3.0 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)


A) 122 nm
B) 203 nm
C) 243 nm
D) 389 nm
E) 411 nm

Correct Answer:

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