Set Of 6 Prisms, 1 Each

The Set Of 6 Prisms by United Scientific is a boxed set of six polished clear acrylic shapes: a rectangular block, semi-circle, equilateral prism, double convex lens and two double concave lenses, with an activity guide. Pieces are 75 to 90 mm long, sized for student benches with a ray box or pins. Physics teachers use it for refraction, total internal reflection and lens ray-tracing practicals.