Multiple Choice
A hydrogen atom is excited to the n = 11 level.Its decay to the n = 7 level is detected in a photographic plate.What is the wavelength of the light photographed? (c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)
A) 7,510 nm
B) 4,670 nm
C) 12,400 nm
D) 4,380 nm
Correct Answer:

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Correct Answer:
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