Hollow Acrylic Prism, 1 Each

The United Scientific® Hollow Acrylic Prism is a fillable equilateral prism with 45 mm sides and a fill hole in one end, supplied with a funnel and stopper. Filling it with water or other clear liquids lets students study refraction and dispersion in fluids. The acrylic transmits 92% of white light with a refractive index of 1.48 to 1.5. Used in school and college physics optics labs.