Quick Answer: Optical Refraction Prism is a transparent glass prism for refraction, deviation and dispersion experiments, listed as 38 mm or 50 mm equilateral prisms and 38 mm or 50 mm right-angle prisms.
Last updated: October 2026
Key Features
Transparent glass with polished refracting faces
Equilateral prisms in 38 mm and 50 mm, in two quality grades
Right-angle (45°–45°–90°) prisms in 38 mm and 50 mm
An equilateral prism separates suitable white light into a visible spectrum
Technical Specifications
Specification
Value
Material
Transparent glass
Equilateral prism
38 mm or 50 mm; two listed quality grades
Right-angle prism
45°–45°–90°; 38 mm or 50 mm
About This Product
Placed on paper or a prism table, the prism's outline is traced, a narrow ray is sent at one face and the internal path is reconstructed so that normals and the incidence, refraction and deviation angles can be measured. The equilateral form handles dispersion of white light in Light And Optics practicals, while the right-angle form is used for deviation and reflection activities.
Frequently Asked Questions
Q1. Which sizes and shapes are listed? Equilateral and 45°–45°–90° right-angle prisms, each in nominal 38 mm and 50 mm sizes.
Q2. Can the prism produce a spectrum? Yes. An equilateral glass prism can disperse suitable white light into its constituent colours in an appropriate set-up.
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