UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN Physics
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

SYLLABUS

Semester I - Allied Physics - Paper I

Duration of Examination: 3 hrs
Maximum Marks: 75
Credits: 3

Unit I

Simple harmonic motion and circular motion:

Composition of two Simple harmonic motions along a line and at right angles - Lissajous figures. Uniform circular motion - Acceleration of a particle in a circle - centripetal and centrifugal forces - centrifuge - motion of a Bicycle and a car around a circle - Banking on curved tracks.

Unit II

Properties of Matter

Elasticity: Elastic constants - Bending of beams - young's modulus by nonuniform bending - energy stored in a Stretched wire - torsion in a wire - determination of rigidity modulus by torsional pendulum - Static torsion.
Viscosity: Coefficient of viscosity - Poissuelle's formula - Comparison of viscosities - burette method - Stoke's law - Terminal velocity - viscosity of highly viscous liquids - lubrication.
Surface tension: Molecular theory of surface tension - Excess pressure inside a drop and bubble - surface tension by drop weight method - interfacial surface tension.

Unit III

Heat and Thermodynamics:

Kinetic theory of gases - Vanderwaal's equation of state - Derivation of critical constants - Low temperature - Joule-Kelvin effect - Theory and applications - Liquification of gases - Linde's process - adiabatic demagnetisation - laws of thermodynamics - entropy - change of entropy in reversible and irreversible processes.

Sound:

Unit IV

Electricity and Magnetism

Capacitor - energy of charged capacitors - Loss of energy due to sharing of charges - potentiometer - internal resistance of a cell and thermo emf measurement - Magnetic Field due to a current carrying conductor - Biot-Savart's law - field along the axis of a coil - force in a conductor carrying current in a magnetic field - Ballistic galvanometer - Circuit control and protective devices - switch - its types - fuses - circuit breaker - Relays.

Unit V

Geometrical optics:

Refraction - Normal refraction - Refractive index by microscope - by air cell - refraction at grazing incidence - grazing emergence in prisms - combination of two prisms to produce dispersion without deviation and deviation without dispersion - defects of images - coma, Distortion - Spherical and chromatic aberration in lenses.

Books for Study and Reference:

1. Allied Physics by Dr.Dhanalakshmi Dr.Sabesan

2. Allied Physics by Kamalakkannan, Jayaraman.

3. Heat and thermodynamics by J.B. Rajam

4. Elements of properties of matter by Brij Lal and Subramanian

5. Mechanics by Narayanamoothy and others

6. Applied Electronics by R.S.Sedha.