CPL - Chalmers Publication Library
| Utbildning | Forskning | Styrkeområden | Om Chalmers | In English In English Ej inloggad.

Measuring g using a rotating liquid mirror: Enhancing laboratory learning

Andréas Sundström ; Tom Adawi (Institutionen för tillämpad informationsteknologi, Avdelningen för ingenjörsutbildningsvetenskap (EER)(Chalmers))
Physics Education (0031-9120). Vol. 51 (2016), 5,
[Artikel, refereegranskad vetenskaplig]

We describe a low-cost yet experimentally challenging method to measure the acceleration of gravity, g, using a liquid in a rotating bowl and a laser pointer. The idea underpinning this novel method is that the rotating liquid surface will form a parabolic reflector which will focus light into a unique focal point. By measuring the height of the focal point, g could be determined to m s-2. We discuss the pedagogical merits of this method compared to more traditional methods for measuring g, and how it can be implemented as an experimental problem at different educational levels.



Denna post skapades 2017-01-11.
CPL Pubid: 246764

 

Läs direkt!


Länk till annan sajt (kan kräva inloggning)


Institutioner (Chalmers)

Institutionen för tillämpad informationsteknologi, Avdelningen för ingenjörsutbildningsvetenskap (EER)(Chalmers) (2011-2017)

Ämnesområden

Fysik

Chalmers infrastruktur