JAMB - Physics (2013 - No. 39)
Calculate the energy of the third level of an atom if the ground state energy is - 24.8eV
-9.20eV
-8.20eV
-2.75eV
-1.75eV
Vysvětlení
\(E_3 = \frac{E}{n^2}\)
\(E_3 = \frac{-24.8}{3^2}\)
\(E_3 = 2.75eV\)
\(E_3 = \frac{-24.8}{3^2}\)
\(E_3 = 2.75eV\)