Principle
In this experiment, the students have the possibility of perfecting their experimental skills and strengthening their understanding of the law of refraction. In conjunction with the observation of incident light at the boundary between air and glass, ...
The goal of this experiment is that the students become acquainted with special cases of the refraction of light at a prism which are important in technical applications (optical instrument construction). With the investigation and explanation of ...
In conjunction with the experiments on the refraction of light, this experiment is of particular importance. Knowledge of the law of refraction is strengthened and transferred to new contexts. At the same time, in this experiment, the students be ...
In the experiment on additive colour mixing, the students come to understand one of important, technical process for producing colour images. They should first investigate the overlapping of two different coloured light beams and then, in a fur ...
This experiment, which should be carried out in a completely darkened room, makes great demands on the students' ability to concentrate and observe.
Task
What causes the phases of the moon? Investigate ...
The law of imagery is generally first theoretically derived or - depending on the class's proficiency - simply stated and then experimentally confirmed or tested. The experimental test can be performed as suggested. It is also possible to condu ...
If you plan to cover both the astronomical and the Dutch telescopes in your physics course in that order, it is advisable to conduct similar experiments and to make comparisons between the two telescope types. This procedure was followed in the ...
This experiment makes great demands on the students. The saccharimeter model must not only be meticulously constructed, but the measurements also require painstaking care. This is made even more difficult by the requirement for complete darkness in th ...
The focal lengths of unknown lenses are determined by measuring the distances of image and object and by Bessel's method. Simple optical instruments are then constructed with these lenses.
Tasks
The refractive indices of liquids, crown glass and flint glass are determined as a function of the wave length by refraction of light through the prism at minimum deviation. The resolving power of the glass prisms is determined from the dispersion curve.
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Visible light impinges on a diffusely reflecting surface. The luminance of this surface is determined as a function of the angle of observation.
Plane-polarized light is reflected at a glas surface. Both the rotation of the plane of polarization and the intensity of the reflected light are to be determined and compared with Frewsnel's formulae for reflection.
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