Modesto Junior College Course Outline of Record PHYS 143

Transcription

1 Modesto Junior College Course Outline of Record PHYS 143 I. OVERVIEW The following information will appear in the catalog PHYS 143 Electricity, Magnetism, Optics, Atomic and Nuclear Structure 5 Units Formerly listed as: PHYS - 143: Electricity, Magnetism, Optics, Atomic and Nuclear Stucture Prerequisite: Satisfactory completion of PHYS 14 Continuation of PHYS 142, including electricity, magnetism, light and atomic structur Field trips might be require (A-F or P/NP - Student choice) Lecture /Lab /Discussion Transfer: (CSU, UC) General Education: (MJC-GE: A ) (CSU-GE: B1, B3 ) (IGETC: 5A ) II. LEARNING CONTEXT Given the following learning context, the student who satisfactorily completes this course should be able to achieve the goals specified in Section III, Desired Learning: A. COURSE CONTENT Required Content: Electric Charge and The Electric Field i ii Conservation of charge Insulators and conductors Coulomb s Law Electric field lines The Electric Potential and Capacitance i ii Relation between electric fields and electric potential Equipotentials Capacitance Dielectrics Electric Currents i ii The battery Electric current Ohm s Law Electric power DC circuits Division: Science, Math & Engineering 1 of 9

2 Magnetism i ii Magnetic fields Sources of magnetic fields Forces on charged particles Electromagnetic Induction i ii Induced EMF Faraday s Law Lenz s Law Generators and transformers f. Electromagnetic Waves i ii Changing electric fields and create magnetic fields The electromagnetic spectrum Measuring the speed of light g. Geometric Optics i ii Ray model of light The law of reflection Index of refraction Snell s Law Thin lenses h. Wave Nature of Light i ii Huygen's Principle Interference of light Dispersion Diffraction Polarization Optical Instruments i ii Telescopes Cameras The human eye Rayleigh criteria for resolution Division: Science, Math & Engineering 2 of 9

3 j. Special Theory of Relativity i ii v vi Galilean relativity Einstein s postulates of special relativity Time dilation Length contraction Momentum and mass The ultimate speed Energy and mass k. Early Quantum Theory i ii v vi The properties of the electron Planck s hypothesis The photoelectric effect Photon interactions Wave particle duality Wave nature of matter The Bohr model of hydrogen l. Quantum Mechanics i ii The wave function The Heisenberg uncertainty principle The periodic table of elements The atomic number m. Nuclear Physics i ii v Structure of the nucleus Fundamental forces Binding energy Nuclear radiation Half life Radioactive dating n. Nuclear Energy and Effects and Uses of Radiation Transmutations Division: Science, Math & Engineering 3 of 9

4 i ii Nuclear fission Nuclear reactions and weapons Nuclear fusion Fusion reactors and weapons Required Lab Content: Electrostatics i ii Methods of charging objects Law of Conservation of Charge Coulomb's Law Electric field mapping Capacitors and Dielectrics i ii v Measuring capacitance Factors affecting capacitance of the parallel plate capacitor Measuring dielectric constants of materials Comparing various types of capacitors Charge and discharge of capacitors Electric energy storage Simple Circuits i ii Resistors in series and parallel Capacitors in series and parallel Compound circuits Ohm's Law Making electrical measurements of current, voltage and resistance Magnetism i ii Magnetism in matter Sources of magnetic fields Mapping magnetic fields Measuring magnetic field strengths Electromagnetic induction Division: Science, Math & Engineering 4 of 9

5 Geometical Optics i ii v Law of Rectilinear Reflection Snell's Law of refraction Total internal reflection Mirrors Lenses Optical instruments including the human eye f. Wave Optics i Interference of light Diffraction and dispersion of light g. Modern Physics i ii Atomic spectra Photoelectric Effect Nuclear radiation B. ENROLLMENT RESTRICTIONS Prerequisites Satisfactory completion of PHYS 14 Requisite Skills Before entering the course, the student will be able to: f. g. Define and apply concepts related to measurement (including units, systems of units, metric prefixes, standards, unit conversions, dimensional analysis, order of magnitude estimates and significant figures). Define the translational kinematic variables (time, distance, position, average speed, instantaneous speed, average velocity, instantaneous velocity, average acceleration and instantaneous acceleration) as well as apply them in order to explain, analyze, and solve one-dimensional motion problems. Apply graphical techniques and analytical techniques to solve one-dimensional motion problems. Describe vector properties and use the rules of vector algebra to add vectors, subtract vectors, resolve vectors into components, multiply vectors by scalars and multiply vectors by other vectors using both the scalar product and vector product operations. State Newton s Three Laws of Motion and apply them in order to explain physical phenomena and solve quantitative problems in dynamics. Apply the Work-Kinetic Energy Theorem and Law of Conservation of Energy to explain physical phenomena and to determine quantitative kinematical information about mechanical systems. Derive the law of conservation of linear momentum from Newton s 3rd Law and use it to explain, analyze and solve problems involving collisions and other physical phenomen Division: Science, Math & Engineering 5 of 9

6 h. Use energy considerations to describe reflection and transmission of waves at boundaries and to determine the power and intensity of various types of waves. C. HOURS AND UNITS 5 Units INST METHOD TERM HOURS UNITS Lect Lab Disc D. METHODS OF INSTRUCTION (TYPICAL) Instructors of the course might conduct the course using the following method: 3. Lectures, class demonstrations and classroom exercises Hands-on laboratory activities Modeling of problem-solving strategies through interactive discussion sections E. ASSIGNMENTS (TYPICAL) EVIDENCE OF APPROPRIATE WORKLOAD FOR COURSE UNITS Time spent on coursework in addition to hours of instruction (lecture hours) Weekly homework assignments to include textbook reading and problem solving related to concepts discussed in lecture/textbook Weekly laboratory report 3. Studying for weekly homework quizzes, midterms and final exam EVIDENCE OF CRITICAL THINKING Assignments require the appropriate level of critical thinking Example of Homework Problem: Monochromatic red light is incident on a double slit and the interference pattern is viewed on a screen some distance away. Explain how the fringe pattern would change if the red light source is replaced by a blue light sourc Example of a Test Question: Calculate the magnitude and direction of the force on an electron traveling at 3,600,000 m/s horizontally to the west in a vertically upward magnetic field of strength 3 tesl Example of Laboratory Question: Use the ray box in conjunction with a diverging lens. Trace the lens and the light rays. Can you measure the focal length of the lens directly? Why or why not? Compare your results with those in the textbook. F. TEXTS AND OTHER READINGS (TYPICAL) Book: Giancoli, Douglas (2005). Physics (6th/e). Pearson Prentice Hall. Manual: Instructor of Cours Laboratory Manual for Physics 143. Duplicating III. DESIRED LEARNING A. COURSE GOAL Division: Science, Math & Engineering 6 of 9

7 As a result of satisfactory completion of this course, the student should be prepared to: identify and apply the vocabulary and principles of electricity, magnetism, optics and modern physics to solve problems and explain natural phenomen Furthermore, the student will demonstrate the proper use of laboratory instruments in applying the scientific method to design experiments, collect and analyze data, and form appropriate conclusions. B. STUDENT LEARNING GOALS Mastery of the following learning goals will enable the student to achieve the overall course goal. Required Learning Goals Upon satisfactory completion of this course, the student will be able to: f. g. h. j. k. l. m. n. o. p. q. r. Describe properties of electric charges and methods of charging objects. State and apply Coulomb s Law and the Law of Conservation of Charge in order to explain, analyze and solve problems in electrostatics. Define the concept of an electric field and a line of force and sketch field lines for simple charge distributions. Define the concepts of electric potential, electric potential difference and electric potential energy and calculate these quantities for collections of point charges. Define the concept of an equipotential surface, explain its relationship to electric field lines, and calculate the value of the electric field given the electric potential of a charge distribution. Define capacitance, calculate the capacitance of various types of capacitors, and calculate the effective capacitance for arrangements of capacitors in series and parallel. Define the concept of energy density and calculate the energy density of an electric field as well as the energy stored in a capacitor. Describe properties of dielectrics and their effect upon capacitance from both a macroscopic and microscopic perspectiv Describe the concepts of electric DC and AC current, resistance and resistivity; describe their relationship to voltage via Ohm s Law; and apply these concepts in order to explain, analyze and solve problems in electrodynamics. Describe simple sources of electric power and calculate the electric power generated in a circuit. Apply reduction techniques and Kirchoff s Laws in analyzing DC circuits. Describe causes and properties of magnetic fields in current-carrying wires and permanent magnets. Describe forces and torques acting on charged particles moving in magnetic fields as well as common applications of technologies exploiting such forces. Describe magnetic field configurations surrounding various current distributions. State and apply Faraday s Law of Electromagnetic Induction in order to explain common technologies and to analyze problems related to various electromagnetic phenomen Describe Hertz s Experiment, properties of electromagnetic waves and explain how electromagnetic waves are produce Describe the nature of light using both wave and particle models and describe experiments to determine the speed of light. Using the ray model for light, state and apply the Law of Rectilinear Reflection and Snell s Law of Refraction in explaining and analyzing optical phenomena, such as dispersion and total internal reflection. Division: Science, Math & Engineering 7 of 9

8 s. t. u. w. x. y. a`. a Use analytical techniques as well as ray diagrams to describe images formed by reflecting and refracting surfaces. Using the wave model for light, describe and apply interference conditions to analyze, explain and solve problems involving double slit interference, thin films, single slit diffraction and diffraction gratings. Describe four processes of polarizing light (selective absorption, reflection, scattering and double refraction) and apply Brewster s Law and the Law of Malus in order to solve problems involving light polarization. State the postulates of special relativity and explain and apply the consequences of these postulates (including relative simultaneity, time dilation, length contraction, twin paradox, relativistic velocity addition, relativistic linear momentum, relativistic energy and rest energy) in explaining phenomena and solving quantitative problems. Describe experimental procedures and results supporting the quantum nature of radiation and matter, including Planck s Hypothesis, the Photoelectric Effect and the Compton Effect. Explain the meaning of the wave-particle duality in nature and describe the wave properties of particles. State the Heisenberg Uncertainty Principle and explain the role of probability in quantum mechanics. Describe the Thomson, Rutherford, Bohr and quantum models of the atom and cite experimental evidence supporting/refuting these models where appropriat Describe nuclear properties and structure as well as nuclear processes. Lab Learning Goals Upon satisfactory completion of the lab portion of this course, the student will be able to: Demonstrate the proper use of laboratory instruments in making measurements. Record and analyze measurements to the correct number of significant digits. Use the scientific method in designing simple experiments to test a physical concept. Apply the scientific method in collecting and analyzing data to form conclusions. Use graphing techniques, statistics and computer modeling in the analysis of data to determine the relationship between physical quantities. IV. METHODS OF ASSESSMENT (TYPICAL) A. FORMATIVE ASSESSMENT Quizzes Periodic exams Laboratory work and exam Homework: assigned problems and exercises B. SUMMATIVE ASSESSMENT Final exam Division: Science, Math & Engineering 8 of 9

9 Division: Science, Math & Engineering 9 of 9