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INSTITUTE OF MATHEMATICAL SCIENCES AND PHYSICS College of Arts and Sciences University of the Philippines Los Baños Course PHYSICS 83 (FUNDAMENTAL PHYSICS III) Credit Units 5 units Course Description Special theory of relativity, wave and quantum mechanics, atomic structure, condensed matter and nuclear physics Prerequisite Physics 82, Math 38 References UNIVERSITY PHYSICS, 12 th Edition by Young and Freedman Introduction to Quantum Mechanics, 2 nd Edition, David Griffiths Course Goal The course aims to develop the students’ ability to systematically solve a wide variety of problems on the fundamentals of modern physics Course Requirements 3 Long Examinations 60 % Recitation 20 % Final Examination 20 % Teacher Name: Dr. Anthony Allan D. Villanueva Faculty Room: C205 Consultation Schedule: Tue&Thu 1:30 PM-5 PM, Wed&Fri 3:30-5 PM Email: [email protected] COURSE POLICIES: 1. You are required to take all three of the long exams. There is no cancel the lowest exam policy. All three long exams are used to compute your long exam average. 2. A student may be exempted from taking the final exam if all of the following conditions are satisfied: (1) passed all long exams (2) has an average recitation score of 80% or better (2) has an average long exam score of 80% or better An exempted student’s final exam grade will be the average of the long exams 3. Please bring an ID during every exam. NO ID NO EXAM Grading System grade(%) 95.00 1.0 95.00 > grade(%) 90.00 1.2 5 90.00 > grade(%) 85.00 1.5 85.00 > grade(%) 80.00 1.7 5 80.00 > grade(%) 75.00 2.0 75.00 > grade(%) 70.00 2.2 5

Physics 83 Syllabus SY 12-13 First Sem v2

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73 syllabus

INSTITUTE OF MATHEMATICAL SCIENCES AND PHYSICS

College of Arts and Sciences University of the Philippines Los BaosCourse

PHYSICS 83 (FUNDAMENTAL PHYSICS III)

Credit Units

5 units

Course Description

Special theory of relativity, wave and quantum mechanics, atomic structure, condensed matter and nuclear physics

Prerequisite

Physics 82, Math 38

ReferencesUNIVERSITY PHYSICS, 12th Edition by Young and FreedmanIntroduction to Quantum Mechanics, 2nd Edition, David Griffiths

Course Goal

The course aims to develop the students ability to systematically solve a wide variety of problems on the fundamentals of modern physics

Course Requirements3 Long Examinations60 %

Recitation20 %

Final Examination20 %

TeacherName: Dr. Anthony Allan D. VillanuevaFaculty Room: C205Consultation Schedule: Tue&Thu 1:30 PM-5 PM, Wed&Fri 3:30-5 PM Email: [email protected]

COURSE POLICIES:

1. You are required to take all three of the long exams. There is no cancel the lowest exam policy. All three long exams are used to compute your long exam average.

2. A student may be exempted from taking the final exam if all of the following conditions are satisfied:

(1) passed all long exams(2) has an average recitation score of 80% or better(2) has an average long exam score of 80% or betterAn exempted students final exam grade will be the average of the long exams

3. Please bring an ID during every exam. NO ID NO EXAM 4. If a student misses an exam or recitation for whatever reason, his grade is zero for that requirement. NO MAKE UPS are given. 5. A grade of 4.0 means conditional and that you will have to take the removal exam within a year. Completion period is within one year.6. If a student exceeds 3 ABSENCES IN THE LECTURE CLASS and MAJORITY OF THE ABSENCES ARE UNEXCUSED, he/she will be automatically be given a grade of 5.0.

7. There is NO FORCED DROP. The lecturer will only give the student a grade of DRP upon receiving the processed dropping or Leave of Absence (LOA) form. Otherwise, a grade of 5.0 is given.

8. A student granted an LOA will only be given a grade of either DRP or 5.0. A grade of 5.0 is given if the LOA is granted AFTER OF THE SEMESTER HAS LAPSED and the students CLASS STANDING IS FAILING; otherwise a grade of DRP is given.

9. ANY FORM OF CHEATING in reports or ACT OF DISHONESTY in relation to his/her studies WILL BE SUBJECTED TO DISCIPLINARY ACTION. A student found GUILTY OF CHEATING will be penalized in accordance to University Rules.

10. Observe courtesy during exams and class hours by turning off all electronic gadgets. 11. Students are required to join the Physics 83 Yahoo group at this URL http://groups.yahoo.com/group/phys83_1sem2012/for quick dissemination.COURSE COVERAGE

lecture

hour Objectives

After the discussion and lined up activities, you should be able to:Topics

1 Explain what is expected of you to get good marks in this class

Explain the expected role of your teacher

Explain the expected role of your book

Explain the expected role of your lecture classes

Orientation

Read: syllabus, and Young and Freedman, 12th ed pp vii- viii

RelativityChapter 37: relativity

2 Define an inertial reference frame.

State the Principle of Relativity.

Explain Einsteins Postulates. Given two inertial frames in relative motion, relate the measured positions and velocities in one inertial frame to the measured positions and velocities in the other inertial frame using the Galilean transformation equations.

Einsteins Postulates

Galilean Coordinate TransformationGalilean Velocity Transformation

Read Section 37.1

3 Define an event

Explain the relativity of simultaneity

Define the proper time between two events

Given a physical situation involving relativistic motion, apply definitions of proper time to draw qualitative and quantitative conclusions regarding time intervals

EventsRelativity of Simultaneity

Proper TimeRelativity of Time Intervals

Read Sections 37.2 and 37.3

4 Define the proper length between two events

Given a physical situation involving relativistic motion, apply definitions of proper length to draw qualitative and quantitative conclusions regarding lengths

Length Contraction

Read Section 37.4

5 Relate Galilean and Lorentz transformations.

Given two inertial frames in relative motion, relate the measured positions and velocities in one inertial frame to the measured positions and velocities in the other inertial frame using the Lorentz transformation equations.

Lorentz Coordinate TransformationLorentz Velocity Transformation

Read Section 37.5

6 Given a physical situation involving relativistic motion, apply the relativistic Doppler effect equation to draw qualitative and quantitative conclusions regarding frequency and velocity.

Relativistic Doppler Effect

Read Section 37.6

7 Calculate the relativistic momentum of a particle given its velocity. Solve problems involving conservation of momentum.

Relativistic Momentum

Read Section 37.7

8 Calculate the relativistic total energy of a particle given its rest mass and velocity. Calculate the relativistic kinetic energy of a particle given its rest mass and velocity. Calculate the relativistic rest energy of a particle given its rest mass.

Solve problems involving conservation of energy.

Relate the total energy, momentum and rest mass of the particle.

Relativistic Energy

Rest Energy

Read Section 37.8

9 Relate the results of relativity theory with Newtonian mechanics

Discuss the correspondence principleNewtonian Mechanics and Relativity

Correspondence Principle

Read Section 37.9 and the essay The Relativity of Wrong by Isaac Asimov at http://chem.tufts.edu/AnswersInScience/RelativityofWrong.htm

QUANTUM PHYSICSChapter 38: PhotonS, Electrons, and Atoms

10 Discuss the photoelectric effect.

Solve for either maximum kinetic energy of the emitted electrons, work function or threshold frequency once the other two are known.

Solve for the energy of a quanta of light given its frequency and vice-versa.

Solve for the momentum of light given its wavelength and vice-versa.

Photoelectric Effect

Photon Momentum and Energy

Read: 38.1, 38.2

11 Discuss the how photons are absorbed and emitted by hydrogen atoms. Relate the hydrogen spectrum with photon emission/absorption.

Atomic Line Spectra and Energy Levels

Hydrogen Spectrum

Read: 38.3, 38.4

12 Discuss the Rutherford model of the atom.

Discuss the postulates in Bohrs model of the atom.

Calculate the physical properties of hydrogen-like atoms using the Bohr model.

Nuclear Model

Bohr Model

Read: 38.4, 38.5

13 Discuss how lasers work

Use conservation of energy to calculate the frequency and wavelength of photons produced during x-ray production.Lasers

X-ray protons

Read: 38.6 and 38.7

14.

Solve for scattering wavelength of light when it collides with matter.

Use the Compton scattering formula to relate the initial wavelength to the final wavelength and scattering angle of the photon

Compton Scattering

Read: 38.7

15 Define a blackbody Use the Stefan-Boltzmann equation to calculate the intensity emitted by a blackbody

Discuss Plancks Quantum Hypothesis

Stefan-Boltzmann law

Plancks Quantum Hypothesis

Read: 38.8

FIRST EXAMINATIONJuly 24, 2012 (Tue)

Chapter 39: The Wave Nature of Particles

16 Discuss the de Broglie Hypothesis

Solve for the wavelength and frequency of a particle given its momentum or kinetic energy.

Relate the de Broglie wavelength of an electron inside a Bohr atomde Broglie WavesThe Bohr Model and de Broglie Waves

Read: 39.1

17 Discuss the significance of the Davisson-Germer experiment Discuss single-slit electron diffractionElectron Diffraction

Read: 39.2

18 Use the Heisenberg uncertainty principle to estimate uncertainties in position and momentum. Use the Heisenberg uncertainty principle to estimate uncertainties in time and energy

Uncertainty PrincipleUncertainty in Energy

Read: 39.3

19 Discuss the wave-particle duality of photons and electronsDiffraction and Interference in the Photon Picture

Two-Slit Interference for Electrons

Read: 38.9 and 39.3

20 Calculate the sum (or difference) and product (or quotient) of any two complex numbers

Calculate the conjugate and modulus of a given complex number

Relate the Cartesian, polar and exponential representations of complex numbers

Complex Numbers

Read: Chapter 1, R. Churchill, Complex Variables and Applications

21 Discuss the Born Interpretation of the wave function

Compare the Time-Dependent and Time-Independent Schrodinger equation

Define a stationary state.

Relate stationary states to solutions of the Schrodinger equation

Wave Functions and the Schrodinger Equation(s)Born Interpretation

Stationary States

Read: 39.5

Sections 1.1 and 1.2, Chapter 1, D. Griffiths, Introduction to Quantum Mechanics

22 Verify that the free particle wave function satisfies the Schrodinger equation

Solve for the physical properties of a free particle given its wave function.

Discuss how wave packets represent a quantum particle

Wave Function of a Free Particle

Wave Packets

Read: 39.5

Section 2.4, Chapter 2, D. Griffiths, Introduction to Quantum Mechanics

Chapter 40: Quantum Mechanics

23 Solve for the expectation value and variance of a discrete probability distribution.

Solve for the expectation value and variance of a continuous probability distribution.

Calculate probabilities using discrete and continuous probability distributions.

Probability and Expectation values

Read: Section 1.3, Chapter 1, D. Griffiths, Introduction to Quantum Mechanics

24 Define an energy eigenfunction

Define a superposition state Discuss the Principle of Superposition

Normalize a wave function.

Energy EigenfunctionsSuperposition states

Principle of Superposition

Normalization

Read: Section 1.4 Chapter 1, D. Griffiths, Introduction to Quantum Mechanics

Section 2.1 Chapter 2, D. Griffiths, Introduction to Quantum Mechanics

25 Compute for the probability of measuring a given energy of a particle using its wave function

Compute for the probability of locating a particle using its wave function

Computing Probabilities with the Wave Function

26 Compute for the probability of measuring a given energy of a particle in box using its wave function Normalize the wave function for a particle in a box Compute for the probability of locating a particle in a box using its wave function

Discuss how the wave function for a particle in a box evolves over time

Particle in a Box

Energy levels

Normalization

Time Dependence

Read: 40.1 and Section 2.2 Chapter 2, D. Griffiths, Introduction to Quantum Mechanics

27 Find the energy eigenfunctions of a finite square well and a finite square well

Calculate the wavelengths of photons emitted or absorbed during transitions between energy levels

Finite Square Well

Read: 40.2

28 Discuss quantum tunneling

Calculate for the probability of transmitting a quantum particle into classically forbidden regions.

Discuss how changing the different physical parameters affect the probability of transmission.

Potential Barrier and

Tunneling

Read: 40.3

29 Compute for the probability of measuring a given energy of a harmonic oscillator using its wave function

Compare the classically allowable energies for a quantum oscillator and a classical oscillator

Calculate the wavelengths of photons emitted or absorbed during transitions between energy levels

The Harmonic Oscillator

Read: 40.4 and Section 2.3 Chapter 2, D. Griffiths, Introduction to Quantum Mechanics

30 Define degeneracy

Determine the energy levels and energy eigenfunctions of a particle in a three dimensional well and determine the degree of degeneracy of each level.

Determine the energy levels and energy eigenfunctions of a particle in a three dimensional harmonic potential, and determine the degree of degeneracy of each level

Schrdingers Equation in Three Dimensions

Read: 40.5 and Section 5.3, Chapter 5, D. Griffiths, Quantum Mechanics

SECOND EXAMINATIONSept 4, 2012 (Tue)

Chapter 41: Atomic Structure

31 Relate the Bohr model with the current model of the hydrogen atom

Discuss the quantum numbers needed to describe the hydrogen atom (principal, orbital and magnetic) Calculate the physical properties of a hydrogen atom given its quantum numbers Calculate the wavelengths of photons emitted or absorbed during transitions between energy levels

Hydrogen AtomQuantization of the Orbital Angular Momentum

Read: 41.1

32 Relate the angular momentum of an electron to its magnetic moment

Discuss the Zeeman effect for the hydrogen atom

Calculate the energy splitting due to the Zeeman effect Distinguish allowed transitions from forbidden transitions using selection rules

Zeeman Effect Selection Rules

Read: 41.2

33 Describe the results of the Stern-Gerlach experiment

Show how the Stern-Gerlach experiment leads to the need to define the spin of an electron

Calculate the energy splitting due to the Zeeman effect that includes the spin of the electron

Stern-Gerlach Experiment

Electron Spin

Read: 41.3

34 Determine how one can describe a system of many particles using the Schrodinger equation

Differentiate a system of bosons from a system of fermions in terms of their wave functions

Define the Pauli exclusion principle Apply the Pauli Exclusion Principle to states of a system of many particles

Many Electron Atoms and the Exclusion Principle

Read: 41.4 and Section 5.1.1, D. Griffiths, Quantum Mechanics

35 Discuss how x-ray spectra of atoms describe atomic structure

Apply Moseleys law to atomic x-ray spectra

Moseleys Law and Atomic Energy Levels

X-Ray Absorption Spectra

Read: 41.5

Chapter 42: molecules and condensed matter36 Discuss the various types of molecular bonds Calculate the rotational energy levels of molecules Calculate the vibrational energy levels of molecules Types of Molecular BondsMolecular Spectra

Read: 42.1 and 42.2

37 Discuss the common types of crystal lattices Discuss the energy band concept Relate energy bands and the electrical conductivity of a solid

Structure of SolidsEnergy Bands

Read: 42.3 and 42.4

38 Discuss the free-electron model of metals Calculate probabilities using the Fermi-Dirac distribution Calculate the energy of the free electrons according to the Free-Electron Model

Free-Electron Model Fermi-Dirac Distribution

Free-Electron Energy

Read: 42.5

39 Define a semicondutor Discuss how doping improves the conductivity of the semiconductor

Semiconductors

Read: 42.6

Chapter 43: nuclear Physics40 Relate key properties of atomic nuclei, including radii, densities, spins and magnetic moments

Properties of Nuclei

Read: 43.1

41 Relate the binding energy of the nucleus to the number of protons and neutrons that it contains

Nuclear Binding and Nuclear Structure

Read: 43.2

42 Discuss the ways in which unstable nuclei undergo radioactive decay

Nuclear Stability and Radioactivity

Read: 43.3

43 Discuss the dependence of the decay rate of a radioactive substance on time Discuss the biological hazards and medical uses of radiation

Activities and Half-Lives

Biological Effects of Radiation

Read: 43.4, 43.5

44 Analyze types of nuclear reactions Discuss how nuclear fission happens

Discuss how nuclear fusion happensNuclear Reactions

Nuclear Fission

Nuclear Fusion

Read: 43.6, 43.7, 43.8

THIRD EXAMINATIONOctober 9, 2012 (Tue)

Grading Systemgrade(%) 95.001.095.00 > grade(%) 90.001.2590.00 > grade(%) 85.001.585.00 > grade(%) 80.001.7580.00 > grade(%) 75.002.075.00 > grade(%) 70.002.2570.00 > grade(%) 65.002.565.00 > grade(%) 60.002.7560.00 > grade(%) 55.003.055.00 > grade(%) 50.004.050.00 < grade(%)5.0