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 the physics laboratory.
Principle
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 the physics laboratory.
The obvious solution is a division of labour. For example, the class can be divided into two groups, which perform the measurements with the single or double layer thickness, respectively. Subsequently, the results can be exchanged and recorded.
Benefits
Tasks
How does a saccharimeter work? To construct a model of a saccharimeter and investigate how a sugar solution behaves when polarised light is passed through it.
Device name | Article no. | Quantity |
---|---|---|
Optical profile-bench for student experiments, l = 600 mm | 08376-00 | 1 |
Light box, halogen 12V/20 W | 09801-00 | 1 |
Bottom with stem for light box | 09802-20 | 1 |
Cuvette, double semicircular | 09810-06 | 1 |
Colour filter set, additive (red, blue, green) | 09807-00 | 1 |
Diaphragm with hole, d=20mm | 09816-01 | 1 |
Lens on slide mount, f=+50mm | 09820-01 | 1 |
Lens on slide mount, f=+100mm | 09820-02 | 1 |
Slide mount for optical bench | 09822-00 | 3 |
Mount with scale on slide mount | 09823-00 | 1 |
Table with stem | 09824-00 | 1 |
Screen, white, 150×150 mm | 09826-00 | 1 |
Diaphragm holder, attachable | 11604-09 | 2 |
Polarization filter, 50 mm x 50mm | 08613-00 | 2 |
PHYWE Power supply, 230 V,DC: 0…12 V, 2 A / AC: 6 V, 12 V, 5 A | 13506-93 | 1 |
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