Physics
JAMB 2013
Calculate the energy of the third level of an atom if the ground state energy is - 24.8eV
-
A.
-9.20eV
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B.
-8.20eV
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C.
-2.75eV
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D.
-1.75eV
Correct Answer: Option C
Explanation
\(E_3 = \frac{E}{n^2}\)
\(E_3 = \frac{-24.8}{3^2}\)
\(E_3 = 2.75eV\)
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