Teacher
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BALDACCHINI Chiara
(syllabus)
Physics (56 hours) The experimental method, dimensional analysis, unit of measurement, the International System. The experimental measure, measuring instruments, random and systematic errors. Description of motion: kinematics in one dimension, kinematics in two dimensions, vectors. Force and mass, Newton's laws. Circular motion and Law of gravitation. Work and Kinetic energy. Power. Conservative forces, elastic forces and potential energy. Conservation of mechanical energy. Dissipative forces and friction. Conservation of momentum. Rotational motion. Conservation of the rotational momentum. Statics and bodies in balance. Vibrations and waves (harmonic motion, sound). Fluids (static, dynamic, viscosity, surface tension). Temperature and kinetic theory, heat, principles of thermodynamics, thermic machines, efficiency, and entropy. Electric charge, electric field and electric potential energy. Capacity and dielectrics. Electric currents and circuits in direct current. Electric power. Magnetism. Magnetic properties of matter. Electromagnetic induction and Faraday’s law. Electromagnetic waves and their spectrum. Light: geometric optics (reflection, refraction and dispersion) and physical optics (polarization, interference, diffraction). Spectroscopic techniques. Optical instruments (human eye and microscope). Resolution. Quantum theory and Photoelectric effect. Atomic models. De Broglie's length and hypothesis. Electronic and atomic force microscopy. Quantum Mechanics and quantum numbers. Radioactive decay. Measurement of ionizing radiation doses.
Physics laboratory (16 hours) Evaluation of uncertainties in direct measurements. Significant figures. Discrepancy. Errors in repeated measurements: average as best estimate, standard deviation, standard deviation of the mean. Gaussian distribution. Poisson’s distribution. Propagation of errors: sum and difference, product and quotient. Calculation of errors for functions of a variable and for functions of several variables. Least squares method. Correlation coefficient. Chi-square test. Graphs: linear scale, semilogarithmic scale, logarithmic scale. Laboratory experiences: - Theory of Errors - Harmonic motion - Geometric optics - Radioactivity
(reference books)
- Giancoli “Fisica ” edizione con Fisica Moderna - III Edizione- Casa Editrice Ambrosiana - Taylor “Introduzione all'analisi degli errori. Lo studio delle incertezze nelle misure fisiche” - Zanichelli
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