Module Study Targets
Students should be able to:
- Calculate mean, standard deviation, propagation of errors in measurement sets.
- Generate graphs of laboratory measurements.
- Produce linear expressions of exponential, logarithmic and power equations.
- Define the speed, acceleration, kinetic energy, work.
- Compute the position, velocity and acceleration mobile if the relation (a) power-position, (b) speed-strength, (c) Speed-position and (d) accelerate-position is given.
- Define the conservation conditions of fields.
- Calculate whether a given field is conservative.
- Calculate the transportation quantities for simple oscillations, forced oscillations and oscillations that loose energy.
- Calculate the quality factor of the RLC oscillation circuit in series and the quality factor of the forced mechanical oscillations.
- Define the Fermi level.
- Determine the energy and the no-charge area of the p-n diodes.
- Create the diagrams of the energy versus the position in diodes.
- Define the avalanche phenomenon.
- Write the four Maxwell’s equations near and far of dielectric and magnetic media.
- Define the displacement current.
Module Acquired Abilities
Physics enhances the following general abilities:
- Analysis and synthesis of data and information by utilising modern and necessary technologies
- Critical, free and creative thinking which enhances the generation of innovative methods and the making of decisions
- Group and independent work
- Respect the natural environment
This includes the following laboratory exercises: (13 weeks total)
LABORATORY EXERCISES IN MECHANICS (4)
- Free oscillating spring-elastic constant calculation (Calculation spring constant) [EM-EXERCISE 6]
- Study of oscillating pendulum-calculation gravitational acceleration, quality factor (Measurement gravitational acceleration with a simple pendulum) [EM-EXERCISE 5A]
- Stationary mechanical waves (measurement of the speed of sound with the Quincke method) [EM-EXERCISE 12] and & Study motion theorem energy project (Aerotrochia) [EM-EXERCISE 4]
- Travelling mechanical waves-db & dbm units (Measurement of sound intensity and
- determination of the attenuation coefficient) [EM-EXERCISE 11]
LABORATORY EXERCISES IN ELECTRICITY ELECTRONIC PHYSICS & ELECTROMAGNETISM (7)
- Measurement of electromotive force and the internal resistor of voltage sources- capacitor's capacity measurement) [EM-EXERCISE 5 & 6]
- Resonance of RLC circuits-quality factor calculation circuit (the RLC circuit behavior analysis in alternating current) [EM-EXERCISE 10]
- Thermionic electron emission from metals [EM-Exercises 11] Study and photo conductive Elements- photovoltaic elements (photoconducting elements) [EM-EXERCISE 12]
- Light emitting diode (LED) [EM EXERCISES 17 & 18]
- Contact-diodes Zener diodes [EM EXERCISE 19]
- Physics Laser radiation study [EM EXERCISE 15]
- Attenuation of gamma radiation in matter-GM Counter [EM EXERCISE 16]
The above include additional theoretical teaching in the following passages
1.ANALYSIS & PRESENTATION OF LABORATORY MEASUREMENTS (5 hours)
A. ANALYSIS OF ERRORS (2.5 hours)
- Importance of Error Analysis theory
- Actual value-True value
- Probability-Distributions of measurement results
- True error-Uncertainty-Relative Error
- Bias-Random errors
- Instrumental uncertainty
- Mean-Average Error-bias
- Other statistical moments
- CI-Significant digits Scientific presentation of results-Rounding
- Error propagation
- Estimates of mean and error
- Examples of calculations gcc and gfortran
- Examples of actual measurement examples
B. PRESENTATION OF LABORATORY MEASUREMENTS (2.5 hours)
- Graphs in scientific presentation
- Presentations (trends) -Standard-equations
- Slope of straight line- Experimental definitions
- Curves-Common types
- Tangent-Experimental definition
- slope at point-Experimental Search
- Adjusting a straight line
- Method of least squares-x2-Likelihood-Weighting of the results
- Spearman's coefficient r2
- Estimation of errors
- Adjusting polynomial coefficients
- Multiple regression-Stepwise regression
- Other methods (PCA, Multivariate methods, etc.)
- Examples of actual measurements
2. SENSORS IN LABORATORY MEASUREMENTS (2 hours)
Measurements of electrical systems
A. COIL MULTIMETERS (0.5 hours)
- Fundamental physical principles
- Operating Principle
- Use as multimeter as amerometers and voltometers
- Extending the multimeter measuring range
- Select the most suitable voltometer
- Measuring Voltage with Multimeter
- Current measurement with multimeter
B. OSCILLOSCOPE (1 hour)
- Description & parts
- Electronic gun
- Amplifiers of horizontal & vertical deviations
- Adjusting the beam intensity
- Beam deflection systems-electrostatic, magnetic
- Basic operation buttons
- Measuring Angles with the oscilloscope
- DC voltage measurement
- AC voltage measurement
- Composition-contribution mutual vertical oscillations Lissajous-Curves
- Measurement of frequency through time difference
- Measurement fof requency through Lissajous curves
C. SENSORS (0.5 hours)
- Deformation sensors
- Pressure sensors
- Temperature sensors
- Humidity sensors
Module Student Evaluation
Assessment Language: Greek and English for Erasmus students.
Qualification theoretical part (60%)
- A written final examination (50%) comprising the methodological solving of exercises and the and analysis of issues in mechanics, electromagnetism, oscillations and waves.
- Participation in project (5%)
- Participation in class (5%)
Evaluation laboratory portion (40%)
- Laboratory Practice
- Individual or group (maximum 3 people) report to each laboratory exercise that includes a description of the exercise, presentation of measurement, presentation of results (calculations, charts, etc.) and drawing conclusions. (20%).
- Weekly oral examination at issue in making laboratory exercise (40%)
- In the presence of (10%)
- Final written examination (30%)
In the theoretical part are able isobars exculpatory progress (2) during the semester.
The criteria are posted on the site http://dniko.herokuapp.com/
- H.D. Young, "Physics", Pearson 13th edition, 2011
- M. Aloson, E. Finn, "Fundamental University Physics", 1992
- J. Willey and Sons, "Physics", 1992
- "Physics for Scientists and Engineers", Serway – SGSS, 1992
- McGraw-Hill, "Berkley Physics Courses", 1978