Teacher
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ARMENTANO Ilaria
(syllabus)
Electromagnetism Electric charge. Insulation conductors. Coulomb's law. Electric field. Electric dipole. Action of a field on charges and poles. Electrical fields from continuous charge distributions. Gauss law in integral and differential form. Calculation of the electric field with the law of Gauss and considerations of symmetry. Potential. Electrical potential for point charges and continuous distribution of charges. Relationship between electric field and potential. Potential electrostatic energy. Capacity and capacitors. Dielectric. Electrostatic field energy. Circuits with batteries and capacitors (in series and in parallel). Electric current and charged motion. Power density and drift speed. Ohm's Resistance and Law. Energy in electrical circuits. Fem and batteries. Resistances in series and in parallel. Read kirchhoff. Single and multi-mesh circuits. Measurement tools: Amperometers, voltmeters and ohmmeters and applications. RC circuits. Magnetic field. Strength (of Lorentz) exerted by a magnetic field on charges and wires driven by current. Motion of a charge in a magnetic field. Applications: measurement (of Thompson) of q/m for the electron; mass spectrometer; cyclotron. Moments exerted on current coils and magnets. Energy of a magnetic dipole in a magnetic field. Hall effect. Earth's magnetic field. Magnetic field sources. Biot-Savart's Law. Magnetic field from current circulation in a wire, in a loop, in a solenoid. Magnetic force between wires. Gauss's law for magnetism. Ampere's law and its limitations. Magnetism of matter. Magnetization and magnetic susception. Paramagnetism, ferromagnetism and diamagnetism and applications. Magnetic induction. Fem induced and law of Faraday-Neuman -Lenz. It is a statement. Generators and engines and applications. Parasitic currents. Inductance. Self- and mutual-inductance. Magnetic energy. RL circuits. Alternate current circuits. Effective values. Alternating current in resistors, inductors and capacitors. Ballasts. Transformer. LC and RLC circuits without and with generator. Fasori. Resonance. Filters. Maxwell equations (in integral and differential form) and electromagnetic waves. Deriving the wave equation for electromagnetic waves. Electromagnetic radiation and its spectrum with applications. Production of electromagnetic waves, radiation of electric dipole. Energy and pulse of an electromagnetic wave. Poynting vector and radiation pressure.
Geometric and physical optics Light and light propagation. Principles of Huygens and Fermat. Reflection and refraction. Snell's Law. Refraction index. Internal reflection: Dispersion. Polarization. Malus's Law. Polarization for reflection and diffusion. Consistent and inconsistent sources of light. Flat and spherical mirrors. Formations of images from mirrors. Equation of a mirror. Refraction image formations. Lenses. Thin, converging and divergent lenses. Image formations in such lenses. Equation of the lens manufacturer. Power of a lens. Equation of thin lenses and their conventions. System with slower. Aberrations. Optical instruments: the eye, the simple magnifier, the microscope, the telescope. enlargement. Eye defects and their correction. Interference and diffraction. Phase difference and consistency. Interference from two slits (Young). Interference in thin layers. Intensity of the fringes. Single-slit diffraction. Combined interference and diffraction. Use of fasori. Fraunhofer and Fresnel diffraction. Diffraction and resolution. Application to the human eye. Diffraction networks and their decisive power.
Modern physics Crisis of classical physics and the birth of modern (quantum) physics. Law by Stefan-Boltzmann, of Wien of Rayleigh-Jeans. How many and Planck's law. Duality particle wave. Photoelectric and Compton effect. Heisenberg's principle of indeterminacy. De Broglie hypothesis. Electron interference and diffraction. Wave function and energy quantization in confined systems. Schrodinger equation Bohr model for hydrogen atom. Energies and rays of the orbits. Explanation of the spectral series. Quantum numbers. Organization of electrons in atoms. The following (mandatory) Physics Laboratory II are also planned: -Oscilloscope, multimeter, function generator, power supply. Safety standards. -Experimental ohm law; circuits with resistancein series and in parallel. -Experimental study of an RC circuit: charge and discharge a capacitor. -Experience of geometric optics and physical optics.
(reference books)
-P.A. Tipler, G. Mosca, Vol. 2: “Elettricità Magnetismo Ottica” e Vol. 3: "Fisica Moderna", ed Zanichelli. -P. Mazzoldi, M. Nigro, C. Voci: "Fisica Volume II" ed. Edises. -R.A. Serway, J.W. Jewett, et al. "Fisica per Science ed Ingegneria 2" ed. Edises.
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