Energy Levels: What frequency must a photon have to raise an electron in a hydrogen atom from the n = 2 to the n = 4 state? (h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)

A. 3.06 × 1014 Hz
B. 6.16 × 1014 Hz
C. 4.11 × 1014 Hz
D. 5.20 × 1014 Hz
E. 9.24 × 1014 Hz


Answer: B

Physics & Space Science

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