Acrylic Refraction Cube for Optics Demonstration is a large, 50-mm cube that is great for studying refraction, reflection, and Snell's law.
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This large, 50-mm cube is great for studying refraction, reflection, and Snell's law. Clearly show students the important concept of total internal reflection. Highly polished for excellent clarity. Acrylic cube has an index of refraction of about 1.5.