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- Title
Using the knowledge of penumbra with a trick simulation.
- Authors
Bülbül, Mustafa Şahin; Loo Kang Wee
- Abstract
The study is about a basic shadow experiment, which was enriched with a simulation to understand the reasoning of participants when we use a trick. Two light sources create an umbra and penumbra behind the objects. With this experiment, we asked what would happen when the penumbras interact. Most of the participants predicted the correct solution, that there should be an umbra. Some of the participants choose wrong alternative, and explained in terms of the structure of penumbra.
- Subjects
LIGHT sources; COMPUTER simulation; PHYSICS experiments
- Publication
Latin-American Journal of Physics Education, 2015, Vol 9, Issue 4, p1
- ISSN
1870-9095
- Publication type
Article