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Glass Slab
Glass Slab (Product Code: SCL-404/099) is a clear rectangular block of glass used to trace the refraction of light through parallel faces in school physics practicals. Measuring 75 × 50 × 18 mm and listed as English glass, it is sized for ray tracing with pins on a drawing board, a basic item of school physics lab equipment. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Glass slab (English glass) |
| Dimensions | 75 × 50 × 18 mm |
| Material | Glass |
| Shape | Rectangular |
| Colour | Clear |
| Product code | SCL-404/099 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Glass Slab Used For?
The glass slab is used for the refraction-through-a-rectangular-slab practical. Students outline the slab on paper, fix two pins along an incident ray, sight the pins through the opposite face and place two more pins in line. Joining the points shows the ray bending towards the normal as it enters the glass and away from it as it leaves.
Measuring the angles of incidence and refraction lets students verify Snell's law and calculate the refractive index, while the sideways offset between incident and emergent rays shows lateral displacement. The 18 mm thickness makes that shift easy to see on paper. Keep the faces free of scratches and fingerprints so pin images stay sharp, and lay the slab flat in a lined box after use.
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, the OEM (original equipment manufacturer) of this glass slab. The slab is made at the company's own licensed factory at Saha, Ambala, Haryana, India, and dispatched factory-direct to schools, colleges, dealers and importers, with no trader between the lab and the maker. For tender and vendor-registration paperwork, the company's details are GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. More background is on the ScienceLab company profile.
Related Physics Lab Equipment
Items needed to run the glass slab refraction practical:
- Drawing Board — the base for pinning paper under the slab
- Board Pin Packet — pins for marking incident and emergent rays
- D Scale for Measuring Angles — reading angles of incidence and refraction
- Prism – Glass Rectangular Block — another rectangular glass block in the catalogue
More light and optics items are in the Physics Lab category.
Frequently Asked Questions
What are the dimensions of the Glass Slab?
The Glass Slab (SCL-404/099) measures 75 × 50 × 18 mm. The 18 mm thickness gives a clearly visible lateral displacement between the incident and emergent rays, while the 75 × 50 mm face fits easily on a sheet of paper pinned to a drawing board.
What type of glass is the Glass Slab made from?
The Glass Slab is listed as English glass, a clear, colourless rectangular block. Its transparency lets students sight pins through the block accurately, which is essential for tracing the refracted ray and working out the refractive index.
Which experiment is the Glass Slab used for?
The Glass Slab is used to trace the path of a light ray through a rectangular glass slab, measure the angles of incidence, refraction and emergence, verify Snell's law and find the refractive index of glass. It is a standard secondary-school physics practical.
How do I care for the Glass Slab?
Store the Glass Slab flat in a lined box, clean it with a soft cloth and mild soapy water when needed, and dry it fully. Avoid sliding it across rough benches, since scratches on the faces blur the pin images students need to sight.
Who makes the Glass Slab?
The Glass Slab is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own factory at Saha, Ambala, Haryana, India. Schools, dealers and importers receive quotations and repeat supplies directly from the manufacturer.
Is the Glass Slab available for bulk and export orders?
Yes, the Glass Slab can be quoted in bulk for schools, colleges, dealers and importers in India and international markets. Send your quantity and delivery location through the ScienceLab contact page for a quotation from the manufacturer.
Request a Quote
Ask for a Glass Slab quotation direct from the manufacturer through the ScienceLab contact page, or place the slab in the enquiry cart along with drawing boards and board pins.
Last updated: 24 September 2026
