(Attempt any ten of the following questions) A magnetic dipole is oscillating in a magnetic field obeying the following expression. `d^2 theta/dt^2 = -mB/I theta` What is the time period of oscillation and mention the nature of oscillation?

(Attempt any ten of the following questions) Under what conditions Doppler effect is called (i) red shift and (ii) blue shift?

(Attempt any nine of the following questions)A current carrying solenoid is shown be low. Show that the magnetic field intensity at point P be B= mu_0/(4pi) (2m)/r^3 Where the symbols have their usual meaning.

(Attempt any nine of the following questions) There is an electric dipole on the x-y plane. Its dipole moment is 4 x 10^(-9) Cm . On . the same plane there is also a uniform electric field of magnitude 5x10^4 NC^(-1) . If the axis of the dipole makes an angle 30° with the electric field, calculate the magnitude of the torque acting on the dipole and also mention the di rection of torque.

Express each one of the following in the standard form a+ib , 1/(1-cos theta+2i sin theta) .

(Attempt any ten of the following questions) You know that Ampere's circuital law is mathematically expressed as given below. oint vecB.vec(dl) = mu_0i Also you know that this law was cor rected by Maxwell and which known as Ampere-Maxwell law. Write the general form of the law and name the additional term.