What Frequency Must a Photon Have to Change the Energy

question 11

Multiple Choice

What frequency must a photon have to change the energy of 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

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