📜 MINOR-VII · PHYS7021 Syllabus
Semester VII · Credits: Theory-03, Practicals-01 · F.M. = 75 (Theory 40 + Practical 20 + IA 15) · IA: attendance 05 + class test/assignment 05 + sessional viva 05 · Theory: 45 hours · Objective: in-depth understanding of electricity, magnetism & waves and problem solving.
Electrostatics (i) 3 h
Electrostatic field, electric flux, Gauss's theorem; applications: point charge, infinite line charge, uniformly charged spherical shell & solid sphere, plane charged sheet, charged conductor.
Electrostatics (ii) 3 h
Electric potential as line integral of field; potential of point charge, dipole, shell, solid sphere; calculation of field from potential.
Electrostatics (iii) 3 h
Capacitance: isolated sphere, parallel-plate, spherical, cylindrical condenser; energy per unit volume; dielectric, polarization, displacement vector; Gauss in dielectrics; capacitor filled with dielectric.
Magnetostatics 4 h
Biot–Savart & applications (straight conductor, circular coil, solenoid); divergence & curl of B; magnetic vector potential; Ampère's circuital law.
Electromagnetic Induction 3 h
Faraday's laws, Lenz's law, self & mutual inductance, L of single coil, M of two coils; energy stored in magnetic field.
Maxwell's Equation 5 h
Continuity equation, displacement current, Maxwell's equations, Poynting vector, energy density, EM wave propagation in vacuum & isotropic dielectric, transverse nature, polarization.
Collinear SHM superposition 2 h
Linearity & superposition; equal frequencies; different frequencies (beats).
Perpendicular SHM superposition 3 h
Graphical & analytical methods; Lissajous figures & uses.
Wave Optics 2 h
EM nature of light; wavefront; Huygens' principle.
Interference 7 h
Division of amplitude & wavefront; YDSE; Lloyd's mirror; Fresnel biprism; Stokes' treatment; thin films (parallel & wedge); Haidinger & Fizeau fringes; Newton's rings.
Diffraction 5 h
Fresnel: half-period zones, zone plate, straight edge/slit/wire. Fraunhofer: single slit, double slit, multiple slits & grating.
Polarization — h
Transverse nature; plane polarized light — production & analysis; circular & elliptical polarization.
📖 References followed (Indian authors first)
| Author(s) | Book | Used for |
|---|---|---|
| P.C. Rakshit & D. Chattopadhyay | Electricity and Magnetism (New Central Book Agency) | E&M |
| D.C. Tayal | Electricity and Magnetism (Himalaya Publishing) | E&M |
| S. Mahajan & Choudhury | Electricity, Magnetism & Electromagnetic Theory (Tata McGraw-Hill) | E&M |
| B.K. Mathur | Principles of Optics | Optics |
| A. Kumar, H.R. Gulati & D.R. Khanna | Fundamentals of Optics (R. Chand) | Optics |
| N.K. Bajaj | The Physics of Waves and Oscillations (Tata McGraw-Hill) | Waves |
| M. Saha & B.N. Srivastava | A Treatise on Heat (Indian Press) | Thermal/EM |
| S. Garg, R. Bansal & C. Ghosh | Thermal Physics (Tata McGraw-Hill) | Thermal |
| D.S. Mathur | Mechanics (S. Chand) | General |
Theory on every notes-page is written in the simple step-by-step style of these Indian textbooks; standard international texts (Griffiths, Jenkins & White) used only where an Indian reference was silent.