contestada

The frequency of oscillation of an electric dipole having dipole moment p & rotational inertia I oscillating in a uniform electric field E is given by *
a. (1/2π)(I/pE)⁰.⁵
b. (1/2π)(pE/I)⁰.⁵
c. (2π)(I/pE)⁰.⁵
d. (2π)(pE/I)⁰.⁵