PURPOSE: Illustrate fromation of a rainbow.
DESCRIPTION: This is a large roughly scaled model showing the refraction of light rays in a raindrop leading to the formation of a rainbow.
SUGGESTIONS: This is a nice one for a hallway display, accompanied by a short description.
REFERENCES: (PIRA unknown.) See Demonstration Reference File for further references regarding formation of rainbows.
EQUIPMENT: Raindrop ray model.
SETUP TIME: None.
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