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Measuring g using a...
Measuring g using a rotating liquid mirror: Enhancing laboratory learning
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- Sundström, Andréas, 1994 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Adawi, Tom, 1970 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2016-07-25
- 2016
- Engelska.
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Ingår i: Physics Education. - : IOP Publishing. - 1361-6552 .- 0031-9120. ; 51:5
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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