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  • 3:54 PM, Sunday, 24 Oct 2021

Course Undergraduate
Semester Sem. II
Subject Code PH121
Subject Title Physics II


Electricity: curvilinear coordinates – conservative vector fields and their potential functions – Gauss’ theorem, Stokes’ theorem – physical applications in electrostatics – electrostatic potential and field due to discrete and continuous charge distributions – dipole and quadrupole moments – energy density in an electric field – dielectric polarization – conductors and capacitors – electric displacement vector – dielectric susceptibility.
Magnetism: Biot-Savart’s law and Ampere’s law in magnetostatics – magnetic induction due to configurations of current-carrying conductors – magnetization and surface currents – energy density in a magnetic field – magnetic permeability and susceptibility – force on a charged particle in electric and magnetic fields – electromotive force, Faraday’s law of electromagnetic induction – self and mutual inductance, displacement current – Maxwell’s equation.
Optics: nature of light – ray approximation in geometrical optics – reflection – refraction, Fermat’s principle – dispersion – mirrors and lenses – aberrations – interference – diffraction – polarization – lasers.

Text Books

1. Griffith, D. J., Introduction to Electrodynamics, 4th ed., Prentice Hall (2012).
2. Hecht, E., Optics, 4th ed., Pearson Education (2008).


1. Feynman, R. P., Leighton, R. B., and Sands, M., The Feynman Lectures on Physics, Narosa (2005).
2. Reitz, J. R., Milford, F. J., and Christy, R. W., Foundations of Electromagnetic Theory, 3rd ed., Narosa (1998).
3. Wangsness, R. K., Electromagnetic Fields, 2nd ed., Wiley (1986).
4. Sadiku, M. N. O., Elements of Electromagnetics, 6th ed., Oxford Univ. Press (2014).