(Solved): The ground state of He atom is nondegenerate. The first excited state has degeneracy 3. The energy ...

The ground state of He atom is nondegenerate. The first excited state has degeneracy 3. The energy difference is 19.82eV. Suppose the system obeys semiclassical distribution and T = 1 × 10ªK. What is the ratio between numbers the molecules at the ground state and at the first excited state?