**Phy 109: **** Heat & Thermodynamics, Electricity & Magnetism, Waves & Oscillations and Mechanics**

### Credit
Hours: 4:00 (Level-1, Term-1, CSE )

* *

*
Heat & Thermodynamics:**
Principle of temperature measurements: Platinum resistance thermometer,
Thermo-electric thermometer, Pyrometer; Kinetic theory of gases: Maxwell's
distribution of molecular speeds, Mean free path, Equipartition of energy,
Brownian motion, Van der Waal's equation of state, Review of the First Law of
Thermodynamics and its application, Reversible and irreversible processes,
Second Law of thermodynamics, Carnot cycle; Efficiency of heat engines, Carnots
theorem, Entropy and disorder, Thermodynamic functions, Maxwell relations,
Clausius-Clapeyron equation, Gibbs phase rule, Third Law of Thermodynamics.*

*Electricity & Magnetism:** Coulomb's Law, Electric field (E),
Gauss's Law and its application, Electric potential (V), Capacitors and capacitance, Capacitors with
dielectrics, Dielectrics an atomic view, Charging and discharging of a capacitor, Ohm's Law, Kirchoff's Law;
Magnetic field: Magnetic induction, Magnetic force on a current carrying conductor, Torque on
a current carrying loop, Hall effect, Faradays Law of electromagnetic induction, Lenz's Law,
Self induction, Mutual induction; Magnetic properties of matter; Hysteresis curve; Electromagnetic
oscillation: L-C oscillations and its analogy to simple harmonic motion.*

* *

*Waves & Oscillations**: Differential equation of a simple harmonic oscillator, Total energy
and average energy, Combination of simple harmonic oscillations, Lissajous
figures, Spring- mass system, Calculation of time period of torsional pendulum,
Damped oscillation, Determination of damping co-efficient. Forced oscillation,
Resonance, Two-body oscillations, Reduced mass, Differential equation of a
progressive wave, Power and intensity of wave motion, Stationary wave, Group
velocity and phase velocity, Architectural acoustics, Reverberation and
Sabine's formula.*

* *

*Mechanics:** Linear momentum of a particle, Linear momentum of a system of particles, Conservation
of linear momentum, Some applications of the momentum principle; Angular momentum of a particle,
Angular momentum of a system of particles, Kepler's Law of planetary motion, The Law of universal
gravitation, The motion of planets and satelites, Introductory quantum mechanics; Wave function,
Uncertainity principle, Postulates, Schrodinger time independent equation, Expectation value, Probability,
Particle in a zero potential, Calculation of energy.
*

* *

*
*