Glass Prism
Product Code : SCL-PLE-11782
Quick Answer: The Glass Prism is an equilateral (60°–60°–60°) optical glass prism for refraction and dispersion experiments, splitting white light into a spectrum and used to find refractive index from the angle of deviation. Face sizes of 38 × 38, 50 × 50 and 75 × 75 mm are listed.
Last updated: 18 October 2026
Key Features
- Equilateral triangular prism with 60° angles.
- Resolves white light into its spectral colours.
- Micro-polished faces, scratch-dig 60/40 or better.
- Edges ground and slightly bevelled for safe handling.
- Three face sizes: 38 × 38, 50 × 50 and 75 × 75 mm.
Technical Specifications
| Specification | Value |
|---|---|
| Shape | Equilateral, 60°–60°–60° |
| Material | Optical glass |
| Face sizes | 38 × 38, 50 × 50, 75 × 75 mm |
| Surface | Micro-polished, scratch-dig 60/40 or better |
| Edges | Ground, slightly bevelled |
How It Is Used
The prism is placed on paper and a ray from a ray box, or a line of pins, is traced through it to measure the angles of incidence, emergence and deviation. Finding the minimum deviation gives the refractive index, and a narrow beam of white light shows dispersion, making this glass prism for the lab a basic optics item.
Frequently Asked Questions
What are the angles of the Glass Prism?
It is equilateral, with three 60° angles.
Which sizes of the Glass Prism are offered?
Face dimensions of 38 × 38 mm, 50 × 50 mm and 75 × 75 mm.
Related Physics Lab Equipment
See the full physics lab equipment range, or these related prisms and refraction items:
- Prism – Clear Glass 60x60x60
- Prism – Clear Glass 90x45x45 deg – 50x50mm
- Spectrometer Prism
- Ray Box (12v)
- Optical Needle | Parallax Pin
Export enquiries for the Glass Prism are welcome from buyers in Luxembourg, Nicaragua, Niger, Sudan, Madagascar and Venezuela.
For a quotation on the Glass Prism, contact JLab India on +91-8569909696.
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