FUNDAMENTALS OF ATOMIC PHYSICS

For optical filtering and generation of interference rings in the experiment to demonstrate the Zeeman effect. The fixed etalon (broadband) consists of a substrate with a double-sided, partially reflective mirror coating of high reflectivity ... more

Simple, safe and quick-to-operate, compact apparatus with integrated photocell as well as a voltmeter and nano-ammeter for determining Planck’s constant and the work done in emitting an electron using the stopping potential method. Five ... more

Simple, safe and quick-to-operate, compact apparatus with integrated photocell as well as a voltmeter and nano-ammeter for determining Planck’s constant and the work done in emitting an electron using the stopping potential method. Five ... more

High-pressure mercury vapour lamp in hardened glass bulb made of blackened borosilicate glass, with tube-shaped hole allowing emission of unfiltered ultra-violet radiation. Includes E27 lamp holder on stem and see-through screen to protect ... more

Evacuated photocell for demonstrating the photoelectric effect and showing that the emission of electrons increases with increasing light intensity. Mounted ready for use on a connector base with electrical wiring and shaft. Specifications ... more

Gas-filled photocell for demonstrating the photoelectric effect and showing that the emission of electrons increases with increasing light intensity. Mounted ready for use on a connector base with electrical wiring and shaft. Specifications ... more

Mounting plate with six colored light-emitting diodes with different emission wavelengths for determining Planck’s constant h by measuring the cut-off voltage as a function of the frequency of the emitted light. Light-emitting diodes ... more

The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

Danger Sign "Radioactive"Danger sign glued to white plastic on stand.Dimensions in mm (L x W): 210 x 300Weight: approx. 80 g more

Steel safe for theft proof storage of radioactive materials in accordance with radiation protection requirements. Dimensions: 140x300x360 mm³ approx. Weight: 3 kg approx. more

The electromagnet accessory provides a low-friction rotating bearing between the U-shaped core D (P-1000979) and the optical base D (P-1009733) and allows pole pieces and the base plate for the cadmium lamp (P-1021366) to be attached to the ... more

Set of easy to handle models of the 14 fundamental lattice types (Bravais lattices), from which Auguste Bravais postulated that practically all naturally occurring crystal lattices can be derived by shifting along the axes. Made of wooden balls ... more

Set of 3 easy-to-use models of various carbon crystal structures: diamond, graphite and fullerene, for demonstrating the fundamental differences between the structures. Specifications: Ball diameter: 25 mm approx. Lengths of ... more

The fluorescent sodium tube is designed to demonstrate resonance fluorescence in sodium. The highly evacuated, argon-filled glass tube, with multiple distilled sodium coating is mounted on a panel with a viewing window and is intended ... more