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Blackboard Optics |
Description: |
An assortment of lenses and mirrors that stick to blackboards with strong magnets; demonstrate reflection, refraction, dispersion, total internal reflection.. |
Notes: |
The photo below shows what's available in the box (note that the magnets do not stick on whiteboards!):
- 5 plastic lenses: triangular prism; rectangle; Semicircular, Plano-convex lens and Plano-concave lenses
- 3 mirrors: two planes; 1 concave & convex
- 3 plastic bars (each with two red magnets) of two lengths used to hold mirrors/lenses to the board (*Be sure to remove magnet covers!)
- 1 magnetic light source. Do not exceed 12 volts DC!
- Other assorted crap in the box
You'll also need a DC power supply, preferably one with an internal voltmeter so that you don't exceed 12 volts DC!
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Location: |
LDL-Workbench. The storage box is generally sitting on the workbench
If you're using the Astro labl you'll also need a lab cart on which to place these items near the blackboard. |
Image: |
All the parts are in the box. You only need a DC power supply |
The light source. Do not exceed 12 volts DC! |
Lens mirror holders. Note that closer holder has magnet covers removed |
(Front to back): Magnet cover; magnet; magnet with cover attached |
The light source slips on to a magnetic attachment.
The light ray passes through the plastic lens |
All parts are in this attactive wood storage box
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