Uploaded February 2021 | Updated September 2026, 2 weeks ago

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This video uses a pinhole viewer to investigate image formation on a screen. See the link below to view an introduction to the lab activity. .

Pinhole Viewer (Introduction): youtu.be/2d_0EXH-OJw

Investigation #1: If you change the distance between the screen and the pinhole, how does that affect the image that forms on the screen?

Investigation #2: If you change the size of the pinhole in the viewer, how does that affect the image that forms on the screen?

Investigation #3: If you change the number of holes in the pinhole viewer, how does that affect the image that forms on the screen?