C1.1.3.1 Brownian Motion of Smoke Particles
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Brownian Motion of Smoke Particles
The speed and direction of a particle floating in a gas changes continuously. J. Perrin provided the explanation for this molecular motion, which was discovered by R. Brown: it is caused by the impacts of the gas molecules on the particle. The smaller the particle, the livelier the motion. It comprises a translational motion and a similarly changing rotation. In experiment C1.1.3.1, a microscope is used to observe the motion of smoke particles in air.
Components of experiments:
| 1 | MIK738865 | Microscope EduLED, mono 2 |
| 1 | MIK760465 | Eyepiece WF 10x without pointer |
| 1 | MIK747040 | Microscope adapter for BMS EcoCam 5 and 8 |
| 1 | 372 51 | Smoke chamber |
| 1 | 450 60 | Lamp housing with cable |
| 1 | 450 511 | Bulbs, 6 V/30 W, E14, set of 2 |
| 1 | 460 20 | Condenser with diaphragm holder |
| 1 | 521 210 | Transformer, 6/12 V |
| 1 | 300 02 | Stand base, V-shaped, small |
| 1 | 665 958ET5 | Disposable syringe, 10 ml, with Luer fitting, 5 pcs. |
| 1 | MIK74704 | BMS ECOCAM 8, caméra 8 |
| 1 | additionally required: incense cone or cigarette, PC or end device for image transmission |
Experiment instructions please click here
