An electron is in an infinite square well (a box) that is 2.0 nm wide. The electron makes a transition from the to the
state, what is the wavelength of the emitted photon? (h = 6.626 × 10-34 J ∙ s, mel = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19)
A) 880 nm
B) 750 nm
C) 610 nm
D) 1000 nm
E) 1100 nm
Correct Answer:
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