UNIT I
Reflection and Refraction : Lens – Refraction through lenses – aberration – chromatic
aberration – spherical aberration – coma – astigmatism . Ramsdens and Huygens eye piece –
Oil immersion objective dispersion trough a prism – Cauchy’s dispersion formula – Theory
of Rainbows – Primary and secondary rainbow
Anx.22 D - B.Sc. Physics (SDE) 2007-08 Page 4 of 21
UNIT II
Interference : Super position of waves – colour of thin films – Air wedge – determination of
diameter of thin wire – Newton’s ring – determination – of m of liquid – Michelson
interferometer – determination of l and dl - uses – Jamin interferometer – Rajleigh
Refractometer.
UNIT III
Magnetic Properties of Materials
Electron theory of magnetism; dia, para, ferromagnetism; magnetic field B; magnetization M;
magnetic field intensity H; magnetic susceptibility and magnetic permeability; magnetic
materials and magnetization; magnetic hysterises area of the hysterises loop; determination of
susceptibility : Guoy’s method.
UNIT IV
Thermo Electricity: Seebeck effect: Laws of thermo e.m.f; Peltier effect; Peltier Coefficient,
determination of Peltier co-efficient a junction; thermo dynamical consideration of
Peltier effect; Thomson effect; Thomson Co-efficient; e.m.f generated in a thermocouple
taking both Peltier effect and Thomson effect in the metals; Thermo electric power;
Application of thermodynamics to Thermocouple ; Thermoelectric diagrams and their uses.
UNIT V
Helmholtz equation of varying current
Growth and decay of current in an inductive – resistive circuit charging and discharging of a
capacitor through a resistance; charging and diacharging of capacitor through an inductance –
oscillatory circuits- Force on a current carrying conductor; Theory of Ballistic Galvanometer.
Dynamics of charged particles
Charged particles in a uniform and constant electric field; Charged particles in an alternating
electric field; Charging particles in a uniform and constant magnetic field; magnetic focusing;
charged particles in combined electric and magnetic field when the fields are parallel and are
in mutually perpendicular direction.

## BSc Subjects