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Calculate the energy of the third level of an atom if the ground state energy...

Physics
JAMB 2013
Calculate the energy of the third level of an atom if the ground state energy is - 24.8eV
  • A. -9.20eV
  • B. -8.20eV
  • C. -2.75eV
  • D. -1.75eV
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Correct Answer: Option C
Explanation
\(E_3 = \frac{E}{n^2}\)

\(E_3 = \frac{-24.8}{3^2}\)

\(E_3 = 2.75eV\)

There is an explanation video available below.

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Explanation Video

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