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
Verified Correct Answer: C.
Physical Principles & Numerical Solution
\(E_3 = \frac{E}{n^2}\)
\(E_3 = \frac{-24.8}{3^2}\)
\(E_3 = 2.75eV\)
Source: Myschool Past Questions Archive (Record #27369)