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50x 1k Ω ±1%
Pulley can be adjusted to ensure cord runs parallel to the plane
and energy as fun as a day at the amusement park
Class A Measuring Cylinders in 10ml
LASER RAY BOX weight set 50x 1k Ω ±1%Light Box with Laser Beams. Five or three parallel bright and sharply defined diode beams 1. 6cm apart can be selected for demonstrating the bending of light rays by reflection, Focusing effect, Reflection with mirrors, Fresnel reflection, Monochromatic character of laser light, Total Internal reflection. A great tool for demonstrating optical ray paths it can turn optical ray diagrams found in science and physics books into visual reality. The Laser
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