Quick Answer:The Wooden Periscope is a 5cm x 5cm x 30cm light-proof wooden periscope with two plane mirrors fixed at 45 degrees, used to show how two reflections let you see over or around an obstacle.
Last updated: 18 October 2026
Key Features
Seasoned wood body with a light-proof enclosure.
Two high-reflectivity plane mirrors.
Mirrors fixed at a 45-degree angle, parallel to each other.
Bevelled sight ports.
Compact 5cm x 5cm x 30cm size.
Technical Specifications
Specification
Value
Body
Seasoned wood, light-proof
Mirrors
Two plane mirrors, parallel
Mirror angle
45°, fixed
Sight ports
Bevelled
Dimensions
5cm x 5cm x 30cm
How It Is Used
Light from an object enters the upper port, reflects off the first mirror down the tube, then off the second mirror into the eye. Students can draw the ray path, mark the 45° angles and check that the angle of incidence equals the angle of reflection at each mirror.
Frequently Asked Questions
What size is the Wooden Periscope?
It measures 5cm x 5cm x 30cm, with two plane mirrors fixed at 45 degrees inside a light-proof wooden body.
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