Physics apparatuses for use in classroom studies of the properties of light and optics including spectrometers, spectroscopes, lenses, prisms, spectrum tubes, lasers, and mirrors.
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Acrylic Right-Angle Refraction Prisms are an excellent tool for optical experiments including refraction. Create a nice rainbow by using the simple led light of a smart phone. Just create a small slit in a black piece of paper and use that slit in front of the led which will create a light ray.