Pinhole imaging
Applicable grades 1-6
key word：Digital inquiry experiment system
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Principle
If a plate with a small hole is used to cover the wall and the object, an upside-down real image of the object will be formed on the wall. We call such a phenomenon small hole imaging. Moving the middle plate back and forth changes the size of the image on the wall. This phenomenon illustrates the property of light traveling in a straight line.
Purpose
Observe how light travels in air through
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