If the H₂ Molecule Has a Rotational Energy of E_0r $\times$

Multiple Choice

If the H₂ molecule has a rotational energy of E_0r = 0.040 MeV,what is the average distance between the two atoms?

A) 1.0 $\times$ 10^-13 m
B) 3.2 $\times$ 10^-11 m
C) 1.0 $\times$ 10^-10 m
D) 1.0 $\times$ 10^-20 m
E) 1.4 $\times$ 10^-10 m