COURSE AIMS AND OBJECTIVES: By performing advanced lab tasks, students will learn about the more complex aspects of experimental work, which is an indispensable part of research in physics. The knowledge gained from lectures in general physics students will be deepened by experimental work on individual problems, contributing to a deeper understanding of specific topics and acquiring experimental experience. They will be introduced to advanced devices for measurement of physical quantities and the building of experimental research measurement setups. At the Physics Lab 4, students have great autonomy in solving tasks, and each task will be performed in two consecutive terms, allowing them to form a working hypothesis based on the first experimental results, which can be confirmed or refuted on the second term. In this way, students will develop a comprehensive ability to solve problems.
COURSE DESCRIPTION AND SYLLABUS:
Students independently perform five of the following 10 tasks:
Free and forced oscillations: Using torsional pendulum with damping and driving motor, students study the behavior of free oscillations, dumped oscillations and driven oscillations.
Coupled pendula: Students study the phenomena of coupled oscillations in coupled pendula: the in-phase oscillations, the opposite phase oscillations, and the beat regime.
Stefan-Boltzmann law: Students use Moll thermocouple and a lamp to verify the Stefan-Boltzmann law.
Photo-electric effect and Planck constant: Students use the photo-electric effect to determine the Planck constant.
Electric field: Students determine the layout of the equipotential lines for metal objects of different shapes and configurations on a graphite base.
Joule-Thomson effect: Students experimentally determined Joule-Thomson coefficient of N2 and CO2 gasses, and compare the results with values from literature and theoretical models.
Barometric formula: Students use the apparatus for the simulation of thermodynamic phenomena with glass balls and compare the height dependence of the number of balls height with predictions of barometric formula.
Electric oscillating circuit: Students study the dependence of impedance and phase shift on frequency, for serial RLC circuit. They also study the damped oscillations in RLC circuit.
Polarization of light: Students use linear polarizers and lambda/4 plates for polarization of light.
Modulus of elasticity: Students measure the dependence of strain on the force using metal bars.
Every task is performed in two consecutive terms.
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