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Brownian motion using a laser pointer

 

作者: Se-yuen Mak,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 6  

页码: 342-343

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.880103

 

出版商: American Association of Physics Teachers

 

关键词: Brownian motion;laser;microvideo camera

 

数据来源: AIP

 

摘要:

In this note, we describe a simple modification of the smoke cell experiment, which enables us to project the Brownian motion of smoke soot on a screen for demonstration. The key changes include the use of a laser pointer for illumination and a microvideo outfit for projection.

 

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