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Image Credit
/-/https/www.sciencebuddies.org/cdn/Files/16575/5/setup-flashlight-glass-wall.png)
Description:
Schematic diagram of how to set up the introductory experiment. A flashlight beam is pointed toward a wall. A glass is standing in between the wall and the flashlight.
Source:
Svenja Lohner, Science Buddies
License:
Science Buddies
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