PHYSICS A - L
Academic Year 2018/2019 - 1° YearCredit Value: 6
Scientific field: FIS/07 - Applied physics
Taught classes: 42 hours
Term / Semester: 2°
Learning Objectives
Basic principles and concepts about particle, particles system, rigid body and fluids kinematic and dynamic. Basic principles and concepts about elastic and non-elastic waves. Basic principles and concepts about thermodynamics. Basic principles and concepts about electrostatic, magnetism, electromagnetism and electromagnetic waves. Basic principles and concepts about optics.
Course Structure
Classroom lectures
Detailed Course Content
1) Measurements and uncertainties
Models, theories, laws-Measurements and uncertainties-Units of measuremets, samples and the International systems of measures-Conversions of the measurement units-Dimensionality calculus
2) Motion description: kinematics in one dimension
Systems of reference and displacement-Mean velocity-Instantaneous velocity-Acceleration-Motion with constant acceleration-Falling objects-Graphical analyses of the linear motion
3) Kinematics in two dimensions; Vectors
Vectors and scalars-Sum of vectors: graphic method-Substraction of vectors and multiplication of vector with a scalar-Sum of vectors by components-Bullet motion-Relative velocity
4) Motion and forces: dynamics
Force-Newton’s first law-Mass-Newton’s second law-Newton’s third law-Weight: the gravitational force and the normal force-Applications involving friction: inclined plans
5) Circular motion; Gravitation
Kinematics of the uniform circular motion-Dynamics of the uniform circular motion-Newton’s law of the gravitation-Gravitation near the Earth surface-Kepler’s laws
6) Work and energy
Work by a constant force-Work by a non-constant force-Kinetic energy and the work principle-Potential energy-Conservative and non-conservative forces-Conservation of the mechanical energy-Other types of energy: energy transformation and the energy conservation principle-Energy conservation principle involving friction
7) Impulse
Relation impulse-force-Impulse conservation-Collisions and impulse-energy and impulse conservation in collisions-Elastic collisions in one dimension-Inelastic collisions-Collisions in two and three dimensions-Center of mass
8) Rotatory motion
Angular quantities-Kinematic equations for the uniform accelerate rotatory motion-Rolling motion-Torque-Rotational dynamics: torque and inertial moment-Rotationale kinetic energy-Conservation of the angular momentum-Vectorial nature of the angular quantities
9) Static; Elasticity
Static: equilibrium between forces-Equilibrium conditions-Elasticity: Hooke’s law
10) Fluids
Density-Pression-Atmospheric and relative pression-Pascal principle-Pression measurements: manometer and barometer-Archimede’s principle-Motion of fluids: flow and continuity equation- Bernoulli equation-Application of the Bernoulli principle
11) Vibrations and waves
Armonic motion-Energy in the armonic oscillator-Period and sinusoidal nature of the armonic motion-Pendulum-Damped armonic motion-Forced vibrations; resonance-Undulatory motion-Transversal and longitudinal waves-Energy carried by waves-Waves reflection and interference-Stationary waves; resonance
12) Sound
Properties of the sound-Sound intensity: decibel-Sound sorces: vibrating strings and air columns- Sound waves interference-Doppler effect
13) Temperature and kinetic theory
Atomic theory of matter-Temperature and thermomethers-Thermic equilibrium and zero principle of the thermodynamic-Thermic dilatation-Anomalous water behaviour under 4 °C-Gases laws and absolute temperature-Ideal gas law-Ideal gas law and the molecules: the Avogadro number-Kinetic theory and the molecular interpretation of the temperature-Distribution of the molecular velocities-Real gases and phase transformation-Vapour tension
14) Heat
Heat and energy transfer-Distinction between temperature, heat, and internal energy-Internal energy of an ideal gas-Specific heat and calorimetry-latent heat-Heat transmission: conduction, convection, irradiation
15) Principles of the thermodynamics
Thermodynamic’s first principle-Applications of the first principle-Thermodynamic’s second principlea-Thermic machines-Entropy and the second principle-From order to disorder;unavailable energy-Statistic interpretation of the entropy
16) Electric charge and field
Static electricity; conservation of the electric charge-The electric charge in the atom-Dielectrics and conductors-The induced charge; the electroscope-Coulomb law-electric field-Field lines-Electric fields and conductors
17) Electrical potential and energy; capacitance
Electric potential and differences of potential-Relation between electrical potential and field-equipotential lines-Electronvolt as measurement unit for the energy-Eletrical potential due to puntiform charges-Electrical dipoles-Capacitance-Dielectrics-Charge storage
18) Electrical currents
The battery-The current-Ohm’s law: the resistance-Resistivity-Electrical power-AC current- Microscopic aspects of the electrical current
19) DC circuits
Parallels and series of resistances-Electromotive force-Kirchhoff’s laws-Parallels and series of Electromotive; Charging a battery-Circuits with parallels or series of capacitances-Circuits with a resistance and a capacitance-DC Ammeters and Amperometri e voltmeters
20) Magnetism
Magnets and magnetic fields-electric currents as sources of magnetic fields-Force applied by a magnetic filed on an electric current; Definition of B-Force applied by a magnetic field on a electric charge in motion-Magnetic field by a linear thread-Force between parallel threads-Ampere and Coulomb unity measurements definitions-Ampere’s law-Torque on a coil travelled by a current; magnetic torque-Applications: galvanometers, motors-Mass spectrometer-Ferromagnetism-Elettromagnets e solenoids-magnetic fields in matter; hysteresis
21) Electromagnetic induction and the Faraday’s law; AC circuits
Inducted electromotive force-Faraday’s law;Lenz’s law- Inducted electromotive force in a conductor in motion-Relation between the variation of the magnetic flux and the electrical field-Electric generators-Parasitical currents-Transformators; electric energy transfer-Inductance-Energy in a magnetic field-LR circuits-AC circuits; impedence-AC RLC circuits-Resonance in AC circuits; oscillators
22) Electromagnetic waves
Relation between variable electric fields and magnetic fields: Maxwell equations- Fourth Maxwell’s equation; the displacement current-Electromagnetic waves production-Calculus of the velocity of the electromagnetic waves-Light as an electromagnetic wave; the electromagnetic spectrum-Measurement of the light velocity-Electromagnetic waves energy
23) The light: geometric optics
The light modeled as beams-Reflection; images formation on a plane mirror-Images formation on spherical mirrors-Refractive index-Refraction: Snell’s law-Internal total reflection-Thin lens; rays diagrams-The lens equation
24) Waves nature of the light
Huygens principle and diffraction-Huygens principle and refraction; Interference; Young experiments-Visible spectrum and dispersion-Diffraction from a split-Diffractive grating-The spectrometer and the spectroscopy-Polarization
25) Optical instruments
The human eyes-Magnifying lens-Telescope-Microscope-Lens and mirrors aberrations-Resolution limits: Rayleigh criterion-Telescope and microscope resolution-Diffraction of X rays
Textbook Information
Theory:
1) Raymond A. Serway, John W. Jewett, “Principi di Fisica (quinta edizione)”, EDISES
2) Douglas C. Giancoli, “Fisica-Principi e Applicazioni” (Edizione italiana a cura di Paolo Cavatorta e Lanfranco Cicala), edizioni “Casa Editrice Ambrosiana”
3) F. Borsa, A. Lascialfari, “Principi di Fisica-per indirizzo biomedico e farmaceutico”, EDISES
Exercises:
1) John R. Gordon, Ralph W. McGrew, Raymond R. Serway, John W. Jewett, “Esercizi di Fisica-guida ragionata alla soluzione”, EDISES
2) http://upload.wikimedia.org/wikibooks/it/4/4b/Esercizi_di_fisica_con_soluzioni.pdf; http://www60.jimdo.com/app/s80e7ac8b55e77c3c/p6a5b5a2aca6b274c/