6A: Geometrical Optics
| Number/Name | Image | Description |
|---|---|---|
| 6A02.15 - Silhouette Shadows |  | Demonstrates an umbra and penumbra using both point and extended sources. |
| 6A02.35 - Laser and Chalk Dust |  | This demo shows the linear nature of a laser beam by clapping a blackboard eraser near it. ... |
| 6A10.10 - Blackboard optics - plane mirror |  | This demonstration uses the plane mirror from the blackboard optics set to show how light reflects off a plane mirror. |
| 6A10.15 - Laser and Flat Mirror |  | This demonstration shows that the angle of incidence is equal to the angle of reflection. |
| 6A10.20 - Diffuse vs Specular Reflection |  | This demonstration illustrates the difference between Diffuse and Specular reflection. |
| 6A10.30 - Corner Cube |  | Shows how 3 mirror retroreflectors work. |
| 6A10.42 - Kaleidoscope |  | This demo uses three large mirrors which serve to model a kaleidoscope. |
| 6A20.10 - Blackboard optics - curved mirrors |  | Using the convex and concave mirrors in the blackboard optics set, you can show how light is ... |
| 6A20.30 - Light Bulb Illusion |  | A concave mirror is used to project a real image of a light bulb onto an empty socket... |
| 6A20.35 - Optical Mirage (bug mirror) |  | This mirage uses two concave mirrors to project an image of the bug in the opening. |
| 6A20.45 - Large convex and concave mirrors |  | This demonstration illustrates the images formed by convex and concave mirrors. |
| 6A20.60 - Energy at the focal point (ignite gun cotton) |  | This demonstration visually shows that a mirror can focus Infrared waves at the focal point. |
| 6A40.30b - Disappearing Beaker |  | This demonstration shows that an object with the same index of refraction as a liquid will ... |
| 6A40.70 - Beer Mug Refraction |  | This demonstrates refraction at an air/water surface. Reveals the tricks of bartenders. |
| 6A42.10 - Blackboard optics - refraction | Using the plastic cubes in the blackboard optics set, you can show how light refracts... | |
| 6A42.20 - Refraction Tank and Laser |  | This demonstration shows what happens to laser light when it encounters an air-water surface. |
| 6A42.45 - Stick in Water |  | This demonstration shows the refraction of light from water to air. When viewed at different ... |
| 6A44.10 - Blackboard Optics - Total Internal Reflection | Using the blackboard optics set, you can show the effects of total internal refelection using different... | |
| 6A44.20 - Critical Angle |  | With a small tank of water, you can use a laser beam to show the critical angle. |
| 6A44.40 - Laser and Fiber Optics |  | These fiber optic devices show how we can exploit total internal reflection to transfer light across... |
| 6A44.45 - Laser Waterfall |  | This demonstration shows total internal reflection through a stream of water. |
| 6A60.10 - Blackboard optics - lenses |  | This demonstration shows how a concave and convex lens works. |
| 6A60.30 - Projected Filament with Lens |  | This demo projects the filament of a light bulb onto the screen using a plano convex lens. |
| 6A60.31 - Projected Arrow with Lens |  | This demonstration uses an optical bench with two arrows as the light source. Using different lenses you can illustrate lens optics. |
| 6A61.20 - Pinhole Camera |  | This demonstration (often referred to as the reverse pinhole camera) uses a light bulb inside... |
| 6A65.70 - Frensel lens |  | This is a very big frensel lens. We also have two small frensel lenses. |
| 6A70.31 - Cameras |  | We have several various cameras, including digital, instant polaroid, and an old film camera to be used as a prop. |