A molecule of carbon monoxide (CO) has a reduced mass mr= 1.139x10^-26Kg, a moment of inertia I=1.449x10^-46 Kg.m2 and a force constant K=1.90x10^3N.m.Determine :

a) The angular frequency of the oscillations

b) The energies of the vibrational states n=0, n=1 and n=2

c) The energies of the rotational states l=0, l=1 and l=2

d) The wavelength of a photon emitted in a vibrational transition from n=1 to n=0 if the rotational level changes from l=0 to l=1