A small compass needle of magnetic moment m and moment of inertia I is free to oscillate in a magnetic field B.It is slightly disturbed from its equilibrium position and then released.Show that it executes simple harmonic motion.Hence write the expression for its time period

A small compass needle of magnetic moment m and moment of inertia I is

1.	A small compass needle of magnetic moment m and moment of inertia I is free to oscillate in a magnetic field B.It is slightly disturbed from its equilibrium position and then released.Show that it executes simple harmonic motion.Hence write the expression for its time period
Answer» A small compass needle of magnetic moment m and moment of inertia I is free to oscillate in a magnetic field B.It is slightly disturbed from its equilibrium position and then released.Show that it executes simple harmonic motion.Hence write the expression for its time period