Semester I (sub)

SEMESTER I

THEORY PAPER

MARKS: 75

(i) MATHEMATICAL PHYSICS - Scalar and vector fields, differentiation of a vector, idea of line, surface and volume integrals, gradient, divergence and curl and their expression in rectangular Cartesian co-ordinate systems, Gauss’, Stoke’s and Green’s theorems.

(ii) GENERAL PROPERTIES OF MATTER

(a) ELASTICITY: Elastic constants and their inter relations, calculation of torque on a cylinder, Torsional oscillations

(b) SURFACE TENSION: Excess pressure on curved surface of a liquid from the principle of virtual work, Ripples and gravity waves, Surface tension and evaporation, Determination of surface tension by Quincke’s method.

(c) VISCOSITY: Viscosity of liquids by Poiseuille’s method, Rotatory viscometer.

(iii) THERMAL PHYSICS

(a) MEASUREMENTS: Measurement of thermal conductivity of solids, Forbe and Lee’s method.

(b) LAWS OF THERMODYNAMICS: Carnot’s engine, Carnot’s theorem, The second law of thermodynamics, Absolute scale of temperature, Entropy, Entropy changes in reversible and irreversible processes.

(c) KINETIC THEORY OF GASES: Derivation of Maxwell’s velocity distribution law and its verification by Stern’s method, Mean free path and principle of equipartition of energy (deduction not required).

(d) REAL GASES: Deviation from ideal gas equation, Van der Waal’s equation of state and its derivation, Critical constants, Joule-Thomson effect, Liquefaction of gases (air and hydrogen).

(e) RADIATION PHYSICS: Black body radiation, Kirchoff’s law, Stefan and Stefan-Boltzmann laws, their deduction and verification, Qualitative explanation of black body radiation by Wein’s law, Rayleigh-Jean’s law and Plank’s law, Solar constant.

LAB SESSION

MARKS: 25

(i) Bar pendulum

(ii) Rigidity modulus by statical method

(iii) Rigidity modulus by dynamical method.

(iv) Surface tension by capillary rise method.

(v) Viscosity of water by capillary flow method.

(vi) Thermal conductivity of copper.