KSOU Sample Question Paper

Hi buddy here I am looking for KSOU Model Question Papers of M.Sc Physics subject , so can you plz provide me here ??

[sumit]

As you are asking for KSOU Model Question Papers of M.Sc Physics subject , so on your demand I am providing same for you :

1. (a) Define electromagnetic potentials. Express Maxwell’s equations in terms of the
electromagnetic potentials.
(10)
(b) Show that the gauge transforms 'A and 'ϕ satisfy the Lorentz condition if and only
if the gauge functions satisfy the wave equation.
(5)
OR
2. (a) Obtain an expression for Lienard-Wiechert potentials of a moving point charge.
(10)
(b) Show that under Lorentz gauge E
о
and B
о
also satisfy the wave equation.
(5)
3 .(a) Deduce the Abraham-Lorentz formula for radiation reaction and explain its
significance.
(10)
(b) Show that the expression of power radiated by an oscillating electric dipole leads to
Larmor’s formula.
(5)
OR
4 .(a) Derive expression for the power radiated by an oscillating electric dipole.
(10)
(b) Write a note on Pinch effect.
(5)
5. (a) Deduce an expression for Poynting vector and discuss the importance of Poynting
theorem.
(10)
(b) Starting from Fresnel’s equations obtain Brewster’s law

KSOU M.Sc Physics Model Question Papers
karnatakastateopenuniversity.in/ksou_pdf/M.Sc._Physics_-Model_Question_Papers_for_2nd_semester__students.p df