[en] This paper presents a macroscopic model of an atomic force microscope. The tool is designed for an advanced physics experiment to be carried out in Physics Laboratory II at the Institute of Experimental Physics, Wroclaw University. We discuss the process of setting up the experiment and the results of measurements of the model's characteristics. The image of a model surface topography realized with the apparatus is also presented. The advantages and disadvantages of the apparatus are discussed along with descriptions of its possible future uses

[en] The authors make comments and remarks on the papers by Salmon et al (2002 Eur. J. Phys. 23 249-53) and their own (2005 Eur. J. Phys. 26 827-33) concerning Brownian motion in two-dimensional space. New, corrected results of calculations and measurements for students' experiments on finding the viscosity of liquids from Brownian motion are presented. (letters and comments)

[en] Brownian motion appears to be a good subject for investigation at advanced students' laboratory [1]. The paper presents such an investigation carried out in Physics Laboratory II at the Institute of Experimental Physics of Wroclaw University. The experiment has been designed to find viscosity of liquids from Brownian motion phenomenon. Authors use modern technology that helps to proceed with measurements and makes the procedure less time and effort consuming. Discussion of the process of setting up the experiment and the results obtained for three different solutions of glycerin in water are presented. Advantages and disadvantages of the apparatus are pointed out along with descriptions of possible future uses

[en] This paper describes a university level experiment during which students can observe the surface structure and determine the work function of a clean single tungsten crystal and a crystal covered with barium. The authors used a commercial field emission microscope offered by Leybold Didactic and designed an experiment which can be easily reproduced and performed in a students' laboratory. The use of a digital camera and computer allowed simultaneous observation and imaging of the surface of the body-centred cubic structure of the single tungsten crystal. Some interesting results about the changes in tungsten work function with time and with barium coverage are presented and discussed. The data help to improve knowledge and skills in the calculation of measurement uncertainty

[en] This paper presents Auger electron spectroscopy with a retarding field analyser designed for an advanced physics experiment carried out in 'Physics Laboratory II' at the Institute of Experimental Physics, University of Wroclaw, Poland. The authors discuss the process of setting up the experiment and the results of the measurement of Auger spectra. The advantages and disadvantages of the apparatus are discussed along with its implementation in the teaching process

[en] This paper presents an experiment in which students determine the mass sensitivity of three crystal quartz resonators, designed to be carried out in 'Physics Laboratory II' at the Institute of Experimental Physics, University of Wroclaw. The authors discuss the process of setting up the experiment and the results of the measurements. They clearly show that the set-up is simple, easy to assemble and allows obtaining satisfactory results. The advantages and the disadvantages of the apparatus are discussed along with the implementation into the teaching process. The results support the gathering of knowledge and skills necessary for experimental physicists.