Physique

 
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High-current transformer

Tasks
  1. Bring a nail to glow and furthermore to melt by the secondary current.
  2. Bring a piece of Wood's metal to melt.
 
Détails

Numéro d´article: P0506100

Fluorescence de résonance du sodium

Principle

Resonance fluorescence is demonstrated by illuminating a sodium vapour with white visible light. The emitted light is spectrally analyzed and shows the emission spectrum of sodium. Therefore the same atomic levels are involved in both absorption and emission.

...
 
Détails

Numéro d´article: P0642600

Mélange de couleurs subjectif avec disque de Newton

Principle

Si un disque circulaire divisé en différents secteurs de couleur différente mis en rotation par un moteur suffisemment vite que l'œil ne peut plus distinguer les couleurs, une couleur mélangée est alors perçu. En variant ...

 
Détails

Numéro d´article: P0872500

Me 1.1 Mesure de longuers

Principle

The students should measure length, diameter, and hole depth of various objects with a measuring tape and/or vernier caliper as possible. In doing this they should choose and use the more suitable measuring device. The results should be entered in the table as a numerical value ...

...

 
Détails

Numéro d´article: P0998100

Me 1.2 Mesure du temps

Principle

The student should count the oscillations of a pendulum while timing them with the aid of a stopwatch. To determine the dependence of the oscillation period on  the length of the pendulum is shortened by 50% in the second part of the experiment.

Benefits

  • Real stand ...
...

 
Détails

Numéro d´article: P0998200

Me 1.3 Mesure de la masse des solides et liquides

Principle

1. The students should determine the mass of solid bodies with the aid of a balance. 

2. The measurement of the mass of liquids can only be performed using a container. The students should determine the mass from the difference of two measurements.

Benefits

  • Real ...
...

 
Détails

Numéro d´article: P0998300

Me 1.4 Volume des corps réguliers et irréguliers

Principle

The students should determine the volume of 3 solid bodies. In doing this they should know that the cubic meter (m3) is the unit of volume and also that the term liter (l) is very common.

  1. On immersion of a solid body in a graduated cylinder, the difference of the ...
...

 
Détails

Numéro d´article: P0998400

Me 1.5 Mesure de la densité des corps solides

Principle

In the previous experiments on determination of mass and volume (ME 1.3 and ME 1.4), the students have learned that both metal columns have the same volume but different masses. They know that the two objects consist of iron and aluminium. Obviously, the two materials ...

...

 
Détails

Numéro d´article: P0998500

Me 1.6 Meaure de la dénsite des liquides

Principle

In the determination of the density of solids in Experiment ME 1.5, the density was determined as the quotient of mass and volume from a weighing to determine the mass and measurement of volume by different methods. As a prerequisite for this experiment, it was assumed that the ...

...

 
Détails

Numéro d´article: P0998600

Me 2.2 Force et réaction

Principle

1. The students should learn with the help of the spring balance that a force on a body can only be exerted when a counterforce acts on it simultaneously.

2. Using two spring balances, the students should experimentally determine that the forces on both spring balances are ...

...

 
Détails

Numéro d´article: P0998900

Me 2.3 Force dûe à la pesanteur

Principle

The students are to determine the weight which a mass experiences in the earth's gravitational field with a spring balance. They should know that force is measured in N = kg  m∕s2 and recognize that weight is proportional to mass. The proportionality factor is ...

...

 
Détails

Numéro d´article: P0999000

Weight avec measureAPP



Principle

"A mass is not only inert but also heavy." Which is intended to mean that not only is a force necessary to accelerate a mass, but also that each mass in the earth's gravitional field experiences a force, the force of weight. The force of weight is to be measured ...

 
Détails

Numéro d´article: P0999068

Weight avec SMARTsense

 
Détails

Numéro d´article: P0999069

Me 2.5 Flexion d'une lame-ressort

Principle

  1. The students should investigate the behaviour of a leaf spring under load, make a graph of the measuring results and - most importantly - determine the spring constant D.
  2. In the course of the same experiment, the (tractive) force should be determined at different angles for ...
...

 
Détails

Numéro d´article: P0999200

Flexion d'une lame-ressort

Principle

Leaf springs are thin metal plates that are elastically deformed under load: When a force is applied to a
leaf spring, then it is subject to deformation. A characteristic of such an elastic deformation is that the
original shape is re-formed when the force is no longer active. In ...

 
Détails

Numéro d´article: P0999268

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X-ray expert unit

This product is a world first

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