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PORTALE DELLA DIDATTICA

Physics II

02KXWLM

A.A. 2020/21

Course Language

Inglese

Course degree

1st degree and Bachelor-level of the Bologna process in Ingegneria Informatica (Computer Engineering) - Torino

Course structure
Teaching Hours
Lezioni 80
Esercitazioni in aula 20
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Teaching assistant
Espandi

Context
SSD CFU Activities Area context
FIS/01 6 A - Di base Fisica e chimica
2020/21
Aim of the course (1st semester, 2nd year) is to provide the students of Informatics Engineering, Telecommunications Engineering, Electronic Engineering and Physical Engineering with the theoretical concepts to be used in the courses of the following semesters. This is therefore a pivotal course for the ensuing career of an ICT engineer. The course is divided in two sections: in the first one, fundamental subjects of basic physics are treated, such as: electromagnetism and the Maxwell's equations, physical and wave/geometrical optics. In the second section, the basic quantum physics concepts needed to describe electronic and optical properties of matter are developed.
The Course is proposed to students of Physical Engineering (06KXWOD, 10 CFU), of Electronic and Communications Engineering (14KXWLP, 8 CFU) and of Computer Engineering (02KXWLM, 6 CFU). The course is divided in three parts: - 1st part (6 ECTs-Electromagnetism and Optics), in which fundamental subjects of basic physics are treated, such as: electromagnetism and the Maxwell's equations, electromagnetic waves properties, physical optics, interference and diffraction. THIS PART IS for PHYSICAL ENGINEERING, for ELECTRONIC and COMMUNICATIONS ENGINEERING and for COMPUTER ENGINEERING STUDENTS. - 2nd part (2 ECTs-Introduction to Modern Physics), in which the subjects involve the wave-particle dualism, the Heisenberg Uncertainty Principle, the Schrodinger Equation, and some hints on electrons in solids. THIS PART IS for PHYSICAL ENGINEERING and for ELECTRONIC and COMMUNICATIONS ENGINEERING STUDENTS. - 3rd part (2 ECTs-Introduction to Modern Physics), in which the subjects involve the crisis of classical mechanics, the transition to the fundaments of modern physics, with emphasis on quantum physics and its implications in terms of methods and practice. THIS PART IS ONLY for PHYSICAL ENGINEERING STUDENTS.
- Knowledge of magnetostatics. - Ability to apply magnetostatics to simple problems. - Knowledge of basic principles of time-dependent electric and magnetic fields. - Knowledge of Maxwell's equations. - Ability to apply the Maxwell's equations to solve elementary problems of electromagnetism. - Knowledge of wave optics as a consequence of Maxwell's equations. - Knowledge of wave optics laws and of properties of electromagnetic waves. - Ability to apply the laws of wave and geometrical optics e to basic problems and simple optical instruments. - Preliminary Knowledge of laws and principles of quantum mechanics. - Ability to solve elementary problems of quantum mechanics
Aim of the course (1st semester, 2nd year) is to provide the theoretical concepts to be used in all courses of the following semesters. This is therefore a pivotal course for the ensuing career.
- Basic physics (mechanics, thermodynamics) - Basic mathematics and geometry
- Basic physics (mechanics, thermodynamics) - Basic mathematics and geometry
-Part 1 Electrical currents and magnetostatics (1 cr) Time dependent electric and magnetic fields (1 cr) The Maxwell's equations (0,5 cr) Electromagnetic waves (0,5 cr) Wave optics (0,5 cr) Geometrical optics (0,5 cr) Part 2 Transition from classical to quatum physics. (0,5 cr) The Schroedinger's equation. Measurement of a physical quantity. Indeterminacy principle. (0,5 cr) One-dimensional quantum problems. (1 cr.)
- 1st PART (6ECTs): ELECTROSTATICS (1 ECT): Static electric field in matter: conductors. Capacitance and capacitors. Energy density of the electric field. Dielectric materials: electrical polarization. Electric current. Conduction. Current intensity and current density. Direct current (DC). Resistance. Ohm’s law. Resistivity and conductivity. Electric power. Joule effect. MAGNETOSTATICS (1,5 ECTs): Magnetic field and magnetic induction. Second Maxwell’s equation. Force on a charge moving in a magnetic field: Lorentz’s force. Magnetic force on a current-carrying conductor. Sources of magnetic field. Field of a straight current-carrying conductor: Laplace’s law, and its applications. Magnetic field of a circular current loop. Magnetic dipole. Torque on, and potential energy of, a magnetic dipole in a magnetic field. Forces between parallel currents. Ampère’s law and its applications. Magnetic fields in matter: diamagnetism, paramagnetism and ferromagnetism. TIME-DEPENDENT ELECTRIC AND MAGNETIC FIELDS (2 ECTs): Faraday – Henry – Lenz law of electromagnetic induction and its applications. Third Maxwell’s equation. Inductance and self-inductance. Energy in an R-L circuit. Energy density of the magnetic field. Ampère-Maxwell law: fourth Maxwell’s equation. ELECTROMAGNETIC WAVES (1.5 ECTs): Wave equation for electric and magnetic field. General characteristics of a wave. Electromagnetic waves. Propagation and attenuation of the electromagnetic waves in conductors and dielectrics. Wave optics. Interference, electromagnetic waves interference and its applications. Diffraction: the basic principles. Fraunhofer’s theory of a double slit interference and of a single slit diffraction. Polarization of light: the basic principles. - 2nd PART (2 ECTs): PHOTONS: e.m. radiation, blackbody radiation, photoelectric emission, stationary states PARTICLES: the dualism particles and wave packets, Heisenberg’s uncertainty principle, electrons in the double-slit experiment SCHRODINGER: Wave function and probability density, Schrodinger equation, applications and exercises on the stationary Schrodinger equation, finite potential well, 3D potential box, the harmonic oscillator, potential barrier penetration INTRODUCTION TO QUANTUM MECHANICS: The time dependent Schrodinger equation, simple examples INTRODUCTION TO SOLIDS: periodic potentials, the electron gas model, electrons in solids, the reciprocal space, Bloch’s theorem, dynamics (velocity and acceleration as a function of k), effective mass. - 3rd PART (2 ECTs): SPECIAL RELATIVITY QUANTUM MECHANICS
Class exercises include simple problem solving activities, with strict connections to theoretical lectures. In some cases scientific calculators (students' personal property) may be required.
The course is divided in theoretical lessons and exercises with simple problem solving activities, in strict correlation with the previous theoretical lectures. In some cases scientific calculators (students' personal property) may be required. Slides, videos and other interactive materials will be used. Exercises to be solved at home (both individually and in groups) will be proposed. All the didactic material will be available on the didactic portal.
Selected chapters from the following textbooks: M. Alonso, E. Finn, Elementi di Fisica per l'Università Vol. 2, Addison-Wesley 1969 M. Alonso, E. Finn, Fundamental University Physics Vol 3, Addison-Wesley 1968 K.F. Brennan , The Physics of Semiconductors, Cambridge Univ. Press 1999 E.M. Purcell, La Fisica di Berkeley 2 ' Elettricità e magnetismo, Zanichelli 1971 E. H. Wichmann, La Fisica di Berkeley 4 ' Fisica quantistica, Zanichelli 1973 Actual reference texts (selected among those in the list) will be stated by the teacher. Learning material distributed by teacher.
1st PART suggested textbooks in English: * Giancoli, Physics for Scientists & Engineers with Modern Physics: Pearson New International Edition, 4/E or also: Alonso-Finn Fundamental Physics, vol. II; Young and Freedman University Physics with Modern Physics, Ed. Addison-Wesley; Halliday, Resnick, Krane Physics, vol.2, Ed. Wiley, and many others: Fishbane, Tippler, Cutnell…. 1st PART suggested textbooks in Italian: * Mazzoldi, Nigro, Voci, FISICA vol. 2, ed. EdiSes or also: Mazzoldi, Nigro, Voci, Elementi di Fisica, Elettromagnetismo e onde, ed. EdiSes 2nd and 3rd PART suggested textbooks: * Alonso-Finn: University Physics, vol. III, Quantum and Statistical Physics, ed. Addison-Wesley * Singh: Introduction to Modern Physics. International Publishers For all the 3 parts slides and videos of the lessons will be available on the portal, however reading and studying the textbooks have to be considered absolutely necessary in order to pass the exam.
Modalità di esame: Prova orale obbligatoria; Prova scritta tramite PC con l'utilizzo della piattaforma di ateneo;
The goal of the exam is to test the knowledge of the candidate about the topics discussed during the course’s lectures. The exam will consist of a computer-based written test with open-ended questions or multiple-choice questions (using the Exam platform and the proctoring tool Respondus) followed by a compulsory oral exam. The computer-based written test is a multiple choice test, duration 30”, from 5 to 10 questions (from 6 to 3 points obtainable for the correct answers, 0 points for incorrect or missing answers). It is necessary to get at least 15/30 in the written part for being admitted to the oral. IMPORTANT: SYLLABUS, LIST OF FORMULAS and TABLES WILL NOT BE ALLOWED DURING THE WRITTEN EXAMS. All the requested numerical data for the solution of the exercises will be given in the classroom. Students can use ONLY a POCKET CALCULATOR. The online oral exam (using Virtual Classroom) is mandatory, it will consist in solving 1 or 2 problems and 1 or 2 open questions. It will concern the 10 ECTs program for Physical Engineering students, the 8 ECTs program for ECE students and the 6 ECTs program for Computer Engineering students.
Exam: Compulsory oral exam; Computer-based written test using the PoliTo platform;
The goal of the exam is to test the knowledge of the candidate about the topics discussed during the course’s lectures. The exam will consist of a computer-based written test with open-ended questions or multiple-choice questions (using the Exam platform and the proctoring tool Respondus) followed by a compulsory oral exam. The computer-based written test is a multiple choice test, duration 30”, from 5 to 10 questions (from 6 to 3 points obtainable for the correct answers, 0 points for incorrect or missing answers). It is necessary to get at least 15/30 in the written part for being admitted to the oral. IMPORTANT: SYLLABUS, LIST OF FORMULAS and TABLES WILL NOT BE ALLOWED DURING THE WRITTEN EXAMS. All the requested numerical data for the solution of the exercises will be given in the classroom. Students can use ONLY a POCKET CALCULATOR. The online oral exam (using Virtual Classroom) is mandatory, it will consist in solving 1 or 2 problems and 1 or 2 open questions. It will concern the 10 ECTs program for Physical Engineering students, the 8 ECTs program for ECE students and the 6 ECTs program for Computer Engineering students.
Modalità di esame: Prova scritta (in aula); Prova orale obbligatoria;
The goal of the exam is to test the knowledge of the candidate about the topics discussed during the course’s lectures. The exam consists in a written part followed by an oral. The written part consists of two steps: 1. multiple choice test, duration 30”, from 5 to 10 questions, the minimal mark for admission to the oral is 15/30 2. two problems and one open questions, duration 1h30”, the minimal mark for admission to the oral is 15/30 The (brief) oral part is for the final assessment. The two problems and the open questions will concern the 10 ECTs program for Physical Engineering students, and the 8 ECTs program for ECE students and the 6 ECTs program for Computer Engineering students. IMPORTANT: SYLLABUS, LIST OF FORMULAS and TABLES WILL NOT BE ALLOWED DURING THE WRITTEN EXAMS. All the requested numerical data for the solution of the exercises will be given in the classroom. Students can use ONLY a POCKET CALCULATOR.
Exam: Written test; Compulsory oral exam;
The goal of the exam is to test the knowledge of the candidate about the topics discussed during the course’s lectures. The exam consists in a written part followed by an oral. The written part consists of two steps: 1. multiple choice test, duration 30”, from 5 to 10 questions, the minimal mark for admission to the oral is 15/30 2. two problems and one open questions, duration 1h30”, the minimal mark for admission to the oral is 15/30 The (brief) oral part is for the final assessment. The two problems and the open questions will concern the 10 ECTs program for Physical Engineering students, and the 8 ECTs program for ECE students and the 6 ECTs program for Computer Engineering students. IMPORTANT: SYLLABUS, LIST OF FORMULAS and TABLES WILL NOT BE ALLOWED DURING THE WRITTEN EXAMS. All the requested numerical data for the solution of the exercises will be given in the classroom. Students can use ONLY a POCKET CALCULATOR.
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