[单选题]
A diatomic quantum mechanical oscillator has a 3is -/dwqq /oxg+kk +13qkmxr momp iawci./g5o8g1ie2i ent of inertia of $7.73 \times 10^{-45} \; kg \cdot m^{2}$. What is the rotational energy in the quantum state characterized by L = 2?
A. $2.27 \times 10^{-5} \; eV$
B. $2.72 \times 10^{-5} \; eV$
C. $7.22 \times 10^{-5} \; eV$
D. $8.71 \times 10^{-5} \; eV$
Post time 2024-1-14 18:37:39