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

(Attempt any ten of the following questions) Draw a neat diagram to show lateral shift. of a ray refracted through a parallel-sided slab. Indicate the lateral shift in the diagram by a double-headed arrow.

(Attempt any ten of the following questions) Explain in brief – "Infrared waves are sometimes referred to as heat waves."

(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.

(Attempt any ten of the following questions) Find the value of current I flowing from A to B in the following circuit.

(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) Define one coulomb charge. Two point charges at a distance r in air exert a force F on each other. At what distance will these charges experience the same force F in a medium of dielectric constant k?

(Attempt any three of the following questions) State Kirchhoff's (i) Junction rule and (ii)Loop rule. Determine the equivalent resistance of the network given below and the total current going out of the battery. Given, each resistor has resistance of 1omega .

(Attempt any nine of the following questions) The capacity of a parallel plate capacitor with air is 18pF. When a dielectric material is inserted in the space between the plates, its capacity becomes 108. pF. Calculate the per mittivity of the material. What is the material?

Explain what is red shift and blue shift of light wave.