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Subjective colour mixing with the colour wheel

Principle

If a circular disc separated into various differently coloured sectors is rotated by a motor so fast that the eye can no longer distinguish the colours, a mixed colour is then perceived. By varying the composition and size of the sectors, it is possible to give the impression of any ...

 
Детали

Продукт No: P0872500

Determining the refractive index of glass

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 path of the light beam ...

...

 
Детали

Продукт No: P1064400

Deviating prisms

Principle

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 the light path as a ...

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Детали

Продукт No: P1065100

Light path and focal length of a convex lens

Principle

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 become familiar with the ...

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Детали

Продукт No: P1065300

Colour dispersion with a prism

Principle

The aim of this experiment is to investigate the dispersion of light. In the course of this, the students' understanding of the refraction of light on crossing from air to glass or glass to air, respectively, is revised with reference to the dependence of refraction on the ...

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Детали

Продукт No: P1066100

Additive colour mixing

Principle

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 further experiment, observe ...

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Детали

Продукт No: P1066400

The phases of the moon

Principle

This experiment, which should be carried out in a completely darkened room, makes great demands on the students' ability to concentrate and observe.
 

Benefits

  • Multifunctional light box - All-in-one: Can be used for geometric optics on the table, colour mixing and ...
...

 
Детали

Продукт No: P1067300

Law of imagery for a convex lens

Principle

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 conduct the experiment in this way ...

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Детали

Продукт No: P1068400

The Galilean telescope

Principle

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 conception of ...

 
Детали

Продукт No: P1069200

Rotation of the polarisation plane with a sugar solution

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 ...

 
Детали

Продукт No: P1070000

Rectilinear propagation of light

Benefits
  • minimal preparation time
  • light-intense halogen lamp
  • easy teaching by using the demo board for demonstration
  • ideal complement to analog student experiments by directly comparable devices

 

 
Детали

Продукт No: P1100000

Shadow formation by a point light source

Principle

Illumination of an individual object create an individual shadow of the object. The shadow depends on the relative position of the light source and the object.

 

Benefits

  • minimal preparation time
  • light-intense halogen lamp
  • easy teaching by using the ...
 
Детали

Продукт No: P1100100

Umbra and penumbra with two point light sources

Tasks

Observe the shadow intensity behind the illuminated object and divide it into umbra and penumbra region.

 

 

 
Детали

Продукт No: P1100200

Umbra and penumbra with an extensive light source

Principle

When using two extensive light sources, umbra and penumbra are formed behind opaque bodies.

 

 
Детали

Продукт No: P1100300

Length of shadows

Tasks

Move the magnet-held lamp so that the light beam is incident at different angles. While doing so, record the respective angles of incidence and the corresponding shadow length I in a table.

 

 
Детали

Продукт No: P1100400

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