Module PY2P10/PY2N10/PY2T10 Classical Physics
Cohort: SF Science (Physics), SF Nanoscience, Physics and Chemistry of Advanced Materials, SF Theoretical Physics, SF Chemistry with Molecular Modelling
Duration: Michaelmas Term
This module combines four elements of classical physics as follows:
Lecturer: Prof. G. Cross
Duration: 12 lectures
First law of thermodynamics. Internal energy, heat and work. Reversible and irreversible processes. Specific heat. Second law of thermodynamics. Heat engines, Carnot cycles. Entropy. Probability and disorder. Combined first and second laws. Central equation. H, F, G. Maxwell's relations. Energy equations. Cooling processes. Joule-Kelvin effect. Third law of thermodynamics. Van der Waals model for real gases.
Electricity and Magnetism II
Lecturer: Prof. H. Zhang
Duration: 14 lectures
Magnetism, magnetic field lines and flux; Lorentz force on moving charge; Energy of and torque on a current loop in a magnetic field; magnetic fields of moving charges; Biot-Savart Law illustrated by magnetic fields of a straight wire and circular loop; forces between current-carrying straight wires; Ampere’s Law in integral form illustrated by field of a straight conductor of finite thickness. Electromagnetic induction and Faraday’s Law in integral form; Lenz’s Law; induced electric fields and motional emf’s; summary of Maxwell equations in integral form; Mutual inductance and self-inductance. R-L circuits and L-R-C circuits. AC circuits, phasor diagrams, reactance, resonance, transformers and complex representation of reactance. Power analysis. R-C integration and differentiation, R-C low- and high-pass filters and active filters.
Lecturer: Prof. S. Dooley *Taking place in Hilary Term*
Duration: 10 lectures
Inter- and intra- molecular forces, potential energy curves, heat capacity, thermal expansion and conductivity. Stress, strain, shear, elastic and plastic deformations of solids. Structures of solids in crystalline, glass, plastic phases. Insulators, conductors and semiconductors. Point defects and imperfections in solids – Iron/Carbon system. Density, pressure, surface tension, buoyancy and hydrodynamic-incompressible and compressible flows in fluids. Bernoulli's equation. Viscosity, diffusion, laminar and turbulent flow. Gas laws, kinetic theory and collisions, PVT diagrams, thermal expansion. Conductive, convective and radiative transport of heat. Stefan-Boltzmann law.
Lecturer: Prof. M. Hegner
Duration: 12 lectures
Review of simple harmonic motion. Forced and damped oscillations. Resonance. Two coupled oscillators, modes and normal coordinates. Many coupled oscillators. Transition to continuous systems. Waves. Nonlinear behaviour. Anharmonic behaviour.