The work done in turning a magnet of magnetic moment M by an angle of 90∘ from the meridian is "n" times,the corresponding work done to turn it through an angle of 60∘ is

The work done in turning a magnet of magnetic moment 'M' by an angle of 90^(@) from the meridian is 'n' times the corresponding work done to turn it through an angle of 60^(@) , where 'n' is given by

The work done in turning a magnet of magnetic moment M by an angle of 90^(@) from the magnetic meridian is n times the corresponding work done to turn through an angle of 60^(@) . What is the value of n ?

The work done in rotating a magnet of magnetic moment 2A-m^(2) in a magnetic field to opposite direction to the magnetic field, is