MULTI-DISCIPLINARY COURSE (PHYSICS)
Semester II
MULTI-DISCIPLINARY-2: PHYS2031 CNCEPTS OF PHYSICS 2 (Credits: 03)
F.M.= 50 (Theory-40, Internal Assessment–10)
COURSE OBJECTIVE: The aim of the course is to enable the students to be familiar with
basic Physics.
Theory: 45 Hours
General Properties of Matter
Mechanical properties of solids, Stress-strain relationship, Hooke's law, Elastic moduli. Mechanical properties of fluids, Pressure due to a fluid column, Pascal's law and its applications (hydraulic lift and hydraulic brakes). Viscosity, Stokes' law, Terminal velocity, Streamline and turbulent flow, Critical velocity, Bernoulli's theorem and its applications.
Surface energy and surface tension, Angle of contact, Excess-pressure across a curved surface, Effects of surface tension to drops, bubbles and capillary rise.
Thermal Properties of Matter
Heat, Temperature, Thermal expansion, Thermal expansion of solids, liquids and gases, Anomalous expansion of water, Specific heat capacity, Cp, Cv – Calorimetry, Change of state, Latent heat capacity. Processes of heat transfer: Conduction, Convection and Radiation, Thermal conductivity. Blackbody radiation, Planck’s distribution law (qualitative discussion), Wien's displacement Law, Stefan's law.
Behavior of Perfect Gases and Kinetic Theory of Gases
Equation of state of a perfect gas, Work done in compressing a gas, Kinetic theory of gases:
Postulates, Concept of pressure, Kinetic interpretation of temperature, RMS speed of gas molecules,
Degrees of freedom, the law of equi-partition of energy (statement only) and its application to specific
heat capacities of gases, Concept of mean free path, Avogadro's number.
Thermodynamics
Zeroth law of thermodynamics, Heat, work and internal energy, First law of thermodynamics,
Isothermal and adiabatic processes, Second law of thermodynamics: Reversible and irreversible
processes, Concept of entropy.
Oscillations and Waves
Oscillations: Periodic motion, Time period, Frequency, Displacement as a function of time, Simple
harmonic motion (S.H.M): Differential equation, Phase, Oscillations of a loaded spring, Restoring
force and force constant, Energy in S.H.M., Kinetic and potential energies, Derivation of the
expression for the time period of a simple pendulum. Free, Forced and Damped oscillations
(qualitative ideas only), Resonance.
COURSE OUTCOME: Students will develop the problem-solving capability and also learn the
applications of Newtonian mechanics in daily life.
Reference Books
Thermal Physics, S.Garg, R.Bansal and C.Ghosh,1993,Tata McGraw-Hill.
New Simplified Physics, S L Arora, Dhanpat RaI & Co. Pvt. Ltd, Vol.1, 2020
Concepts of Physics, H C Verma, Vol 1 & 2, Bharati Bhawan.
Waves: Berkeley Physics Course,vol.3, FrancisCrawford,2007,TataMcGraw-Hill.
Heat Thermodynamics and Statistical Physics, Brijlal, Subrahmanyam, Heme, S Chand.
Thermodynamics, Kinetic theory & Statistical thermodynamics, F.W.Sears & G.L.Salinger. Narosa.