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What Frequency Must a Photon Have to Raise an Electron n=2n = 2

Question 163

Multiple Choice

What frequency must a photon have to raise an electron in a hydrogen atom from the n=2n = 2 to the nn =4= 4 state? (h=6.626×1034 Js,1eV=1.60×1019 J) \left( h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } , 1 \mathrm { eV } = 1.60 \times 10 ^ { - 19 } \mathrm {~J} \right)


A) 9.24×1014 Hz9.24 \times 10 ^ { 14 } \mathrm {~Hz}
B) 5.20×1014 Hz5.20 \times 10 ^ { 14 } \mathrm {~Hz}
C) 6.16×1014 Hz6.16 \times 10 ^ { 14 } \mathrm {~Hz}
D) 3.06×1014 Hz3.06 \times 10 ^ { 14 } \mathrm {~Hz}
E) 4.11×1014 Hz4.11 \times 10 ^ { 14 } \mathrm {~Hz}

Correct Answer:

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