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Brownian motion of smoke particles
  1. Material properties
  2. The compound water
  3. Air and other gases
  4. Metals and their properties
  5. Non-metals and their properties
  6. Acids, bases and salts

Brownian motion of smoke particles

VC1.1.3.1
Brownian motion of smoke particles
Brownian motion of smoke particles Schematic diagram of Brownian motion of molecules
Brownian motion of smoke particles

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Description

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 equipment sets

1 MIK5738870 Microscop EduLed FLArQ mono LD
1 37251  4  Smoke chamber LD
1 45060  4  Lamp housing with cable LD
1 450521  8  Bulbs 12 V/2,5 A/30 W, E14, set of 2 LD
1 46020  4  Condenser with diaphragm holder LD
1 521210  8  Transformer 6/12 V LD
1 30002  4  Stand base, V-shaped, small LD
1 665958 Disposable syringe, 10 ml, with Luer fitting. LD
1 MIK747085 BMS SyncCam 12MP LD
1 additionally required: incense cone or cigarette, pc or device for image transmission

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C1.1.3.1 Brownian motion of smoke particles
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Physics
Chemistry
Biology
Technology

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