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All main topics / Physics 11-14 / Light / Section 2.1 Light
20
Which one of the following has a sharp and clean shadow?
1) umbra
2) penumbra
umbra
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Flashcard info:
Author: Lerato
Main topic: Physics 11-14
Topic: Light
School / Univ.: Montessori Academy and College
City: Pretoria
Published: 08.02.2015

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