A Molecule Makes a Transition from the J = 1

A molecule makes a transition from the J = 1 to the J = 0 rotational energy state. The wavelength of the emitted photon is 2.6 × 10−³ m. What is the moment of inertia of the molecule (in kg ⋅ m²) ?

A) 2.9 × 10−⁴⁶
B) 5.7 × 10−⁴⁵
C) 1.1 × 10−⁴⁴
D) 1.5 × 10−⁴⁶
E) 9.1 × 10−⁴⁶