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Course Organization and First ExperimentPHYS 3719 - Class #1
Miguel Mostafá
Physics DepartmentUniversity of Utah
24th August 2006
Today’s program
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
Outline
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
General InformationLectures
T,H 5:00-6:00pm JFB B-1
Laboratory
Section Day Time Location1 F 8:00am-12:00pm 306/307 SP2 F 1:00pm- 5:00pm 306/307 SP3 S 9:00am- 1:00pm 306/307 SP
Instructors
Miguel Mostafá John Vinermostafa@physics.utah.edu jmv@physics.utah.edu581-4785 581-5232224 INSCC 307C SP
M 10:00-11:30amW 1:30-3:00pm 306 SP
General Information (cont.)
Laboratory Assistant
I David Thomas 217 MINES 585-9861 d.thomas@utah.edu
Important Dates
I Wednesday, August 23rd : Classes begin.I Friday, September 1st : Last day to drop (delete) class.I Friday, October 20th : Last day to withdraw from class.I Thursday, December 7th : Classes end.I Monday, December 11th through Friday, December 15th :
Final examination period.
General Information (cont.)
Goals
1. A selection of seminal physics experiments
2. Laboratory apparatus and measurement techniques
3. Recording habits and procedures
4. Data and error analysis procedures
5. Experiment planning
6. Formal reporting of experimental procedure, results, andanalysis
Outline
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
Course OrganizationLectures
General contents
I Theory, experimental technique, data analysis, erroranalysis, and interpretation of results
I Discussion of particular experiments and problemsI Scheduling of experimentsI Homework, problems, and testsI Collection of completed experiments and assignments
Course Organization (cont.)Lectures (cont.)
Particular Topics
1. Laboratory notebook contents2. Data and error analysis
2.1 Data transformation2.2 Random and systematic errors2.3 Probability distributions and the analysis of random errors2.4 Propagation of errors2.5 Least-squares fitting
3. Experiment design
4. Experiment evaluation
5. Writing a scientific paper
Course Organization (cont.)Laboratory
ExperimentsCompletion of five experiments and a laboratory practicalexamination (LPE).
Experiment Group Length of Time % of Grade1 1 2 weeks 82 1 3 weeks 83 2 2 weeks 84 2 2 weeks 85 2 or 3 3 weeks 12
LPE 8 hours 12
Note: Experiment 1 and the LPE are performed by eachstudent individually. The other experiments are carried out ingroups of two students.
Course Organization (cont.)Laboratory (cont.)
Laboratory work
1. Preliminary measurements
2. Analyze preliminary measurements
3. Modify experimental method as necessary
4. Careful measurements
5. Analyze careful measurements
Course Organization (cont.)Laboratory (cont.)
Laboratory Notebook
I Prereport1. Title2. Purpose3. Introduction4. Theory5. Plan of Analysis6. Numerical Estimates7. References
I Postreport1. Experimental method2. Data (into your notebook while performing the experiment
AND initialed before leaving)3. Results4. Discussion5. Conclusion
Course Organization (cont.)
Grading
1. Experiments 1 to 5 44% (4× 8% + 12%)2. Laboratory skills 16%3. Problems 1 to 6 and tests 1 and 2 20% (6× 2% + 2× 4%)4. Scientific paper 8%5. Laboratory practical examination 12%
Outline
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
ExperimentsGroup 1
1. Compound Pendulum
2. Geiger-Mueller Detector and Counting Statistics
Group 2
1. Gravitational Constant G
2. Speed of Light c
3. Electron Charge-to-Mass Ratio e/m(orbital motion of electrons in a magnetic field)
4. Thermal Radiation
5. Millikan Oil Drop Experiment
6. Planck’s Constant h
7. Franck-Hertz
8. Balmer Spectrum
Experiments (cont.)
Group 2 (cont.)
9. Thermionic Emission of Electrons
10. Gamma Ray Spectroscopy
Group 3
1. Muon Lifetime
2. Nuclear Magnetic Resonance (continuous wave)
3. Nuclear Magnetic Resonance (pulsed)
4. Compton Scattering
5. Low Temperature Specific Heats and Calorimetry
6. Electrical Conductivity and the Hall Effect
7. Avogadro’s Number From Brownian Motion
8. High Resolution Optical Spectroscopy
Experiments (cont.)
Group 3 (cont.)
9. Zeeman Effect
10. Fourier Transform Spectroscopy
11. Alpha Particle Spectroscopy
12. High Temperature Superconductivity
13. Noise
14. Faraday Rotation
15. Chaos
16. Photoluminescence and Optical Absorption in GaInP
17. Electron Charge-to-Mass Ratio e/m (magnetron method)
18. Gaussian Beams and Fiber Optics
Texts
Required
I David C. Baird, “Experimentation: An Introduction toMeasurement Theory and Experiment Design,” 3rd ed.,Prentice Hall, 1995.
I John R. Taylor, “An Introduction to Error Analysis,” 2nd ed.,University Science Books, 1997.
Optional
I Adrian C. Melissinos and Jim Napolitano, “Experiments inModern Physics,” 2nd ed., Academic Press. 2003.
I Daryl W. Preston and Eric R. Dietz, “The Art ofExperimental Physics,” Wiley, 1991.
Outline
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
Sources of Info
Contact info
Miguel Mostafá John Vinermostafa@physics.utah.edu jmv@physics.utah.edu581-4785 581-5232224 INSCC 307C SP
M 10:00-11:30amW 1:30-3:00pm 306 SP
Other sources
I WebCTI Main web page http://www.physics.utah.edu/∼mostafa/courses/PHYS3719/Fall2006
I Wiki pageI Web log
Outline
Course OrganizationGeneral InformationClasses and GradingExperiments and BooksContacts and Extra Info
Experiment #1Introduction
Experiment 1
A Physical Pendulum and the Acceleration due to Gravity
1. Determine g from the T of a triangular card pendulum
2. From the period of oscillation
T(x
h
)= 2π
√hg
f(x
h
),
where f( x
h
)= 1
18( 23−
xh )
+(2
3 −xh
)for x
h < 23
Experiment 1 (cont.)
A Physical Pendulum and the Acceleration due to Gravity
3. For an equilateral triangle of given height h measure t20 fordifferent x values.
4. Make a table of the measured and calculated values
5. Plot T 2 as a function of f
6. Determine the slope a from T 2 = a · f7. Determine g using h ± δh and a± δa
Experiment 1 (cont.)
A Physical Pendulum and the Acceleration due to Gravity
8. (Optional) Determine a (and g) using a weighted fit
9. Compare the measured value(s) with the accepted ones
10. Analyze sources of errors
11. Discuss the results and experimental technique
12. Finish and present the report
13. Happy students are ready for the next experiment!
Experiment 1 (cont.)
A Physical Pendulum and the Acceleration due to Gravity
8. (Optional) Determine a (and g) using a weighted fit
9. Compare the measured value(s) with the accepted ones
10. Analyze sources of errors
11. Discuss the results and experimental technique
12. Finish and present the report
13. Happy students are ready for the next experiment!
Summary and Reminders
I Never hesitate to contact usI Always provide feedbackI On Friday September 1st we start with E1I No lab tomorrow
I OutlookI Discuss E1I Laboratory Notebook
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