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Mirror, Concave
Mirror, Concave (Product Code: SLE/PHY/252) is a 50 mm diameter glass concave mirror used to form real and virtual images and to find focal length in school and college optics practicals. Optically worked, with a 75 mm focal length and a silvered back under a protective coating, it comes in packs of 10 so a whole class can work at the same time. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Mirror type | Concave |
| Material | Glass, optically worked |
| Diameter | 50 mm |
| Focal length | 75 mm |
| Backing | Silvered back with protective coating |
| Pack size | 10 mirrors |
| Product code | SLE/PHY/252 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Concave Mirror Used For?
Students find the focal length quickly by focusing a distant window or lamp onto a screen and measuring the mirror-to-image distance, which should come out close to 75 mm. They then move an object, such as an illuminated pin, to different distances and watch the image change from real and inverted to virtual, upright and magnified once the object is inside the focal point — the principle behind shaving mirrors and torch reflectors.
For the u–v method, the mirror is set on an optical bench and pairs of object and image distances are recorded to calculate f from the mirror formula. Because the reflecting silver is on the back of the glass, clean the front gently with a soft cloth and take care not to scratch the protective coating. With ten mirrors per pack, this physics lab equipment lets every group in a school class run the practical together.
What to Specify When Ordering
- The number of packs required (each pack holds 10 mirrors).
- Whether mirror holders or an optical bench should be quoted, as the listing covers the mirrors only.
- Whether convex and plane mirrors are also needed for a complete reflection unit.
OEM Manufacturer
Jain Scientific Equipments Private Limited, the company behind the ScienceLab brand, is the OEM (original equipment manufacturer) of the Mirror, Concave, which is produced at its own licensed factory at Saha, Ambala, Haryana, India. Schools, colleges, dealers and importers receive the mirrors factory-direct instead of through a middleman, and repeat packs can be ordered from the same source. For replacements or larger quantities, ask us; the ScienceLab profile has more about the company.
Related Physics Lab Equipment
These items help run a complete curved-mirror practical:
- Mirror, Convex — the diverging counterpart for comparing image types.
- Mirror, Plane Glass — for introducing the laws of reflection first.
- Optical Bench Kit — supports the u–v method of finding focal length.
- Meter Stick, White — measures object and image distances on the bench.
- Concave Mirror — an alternative concave mirror listed separately.
More optics apparatus is listed in the Physics Lab Equipment category.
Frequently Asked Questions
What is the focal length of the Mirror, Concave?
The Mirror, Concave has a focal length of 75 mm and a diameter of 50 mm. The short focal length lets students find the focus on an ordinary bench and form real images of a distant object only a few centimetres in front of the mirror.
How many mirrors come in a pack of the Mirror, Concave?
The Mirror, Concave is supplied in packs of 10. One pack equips several student groups at once, so a whole class can carry out focal-length and image-formation practicals together rather than waiting to share a single mirror.
What is the Mirror, Concave made of?
The Mirror, Concave is made of optically worked glass with a silvered back protected by a coating. Light passes through the glass front to the silvered back, so keep both faces free of scratches and clean them only with a soft cloth.
How do students measure focal length with the Mirror, Concave?
To measure focal length with the Mirror, Concave, focus light from a distant object onto a screen and measure the distance from mirror to sharp image. For better accuracy, use the u–v method on an optical bench and calculate f from the mirror formula.
Who manufactures the Mirror, Concave?
The Mirror, Concave is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own licensed factory at Saha, Ambala, Haryana, India. Buyers order packs direct from the manufacturer, which also handles repeat orders and quotations.
Is a holder included with the Mirror, Concave?
The listing for the Mirror, Concave describes the mirrors only and does not mention a holder or stand. If you need mirror holders or an optical bench for the practical, include them in your enquiry and ScienceLab will quote a complete set.
Request a Quote
Quotations for the Mirror, Concave (SLE/PHY/252) come direct from the manufacturer. Tell us how many packs you need through the ScienceLab contact page, or add the mirrors to the enquiry cart.
Last updated: 24 September 2026
