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Aim of the module is to give basic knowledge as regards direct and indirect measurement of physical quantities and evaluation of uncertainty taking into account instrument resolution, random errors and sistematic errors.
Physical quantities measurement: direct and indirect measurements; the experimental method; unit systems of measurements; measuring instruments, resolution and uncertainty.
Random errors: hystograms and statistical parameters, limit distribution, gaussian distribution; parameters estimation for a gaussian distribution, uncertainty due to random errors; comparison between measurement resolution and random errors.
Systematic errors: uncertainty in case of inconsistent measurements, global uncertainty.
Absolute and relative uncertainty. Propagation of uncertainty in indirect measurements.
A laboratory experience: measurement of the oscillation period of a pendulum and determination of gravitational acceleration.
Written relation on the laboratory experience.
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