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Concave Mirror

Product Code : SCL-PLE-11767

Quick Answer: The Concave Mirror is a 50 mm diameter spherical concave (converging) glass mirror with ground edges, used to form real images on a screen and to find focal length with the mirror formula.

Last updated: 18 October 2026

Key Features

  • Converging spherical mirror for real-image work.
  • 50 mm diameter.
  • Back-silvered float glass sealed with protective lead-free epoxy paint.
  • Precision-ground edges.

Technical Specifications

SpecificationValue
TypeSpherical concave (converging)
Diameter50 mm
GlassFloat glass
CoatingBack-silvered, protective lead-free epoxy paint
EdgesPrecision-ground

How It Is Used

Set in a holder on an optical bench, the mirror is used to focus the image of a distant object or lamp onto a screen to find its focal length. Changing the object distance and measuring the image distance lets students check the mirror formula.

Frequently Asked Questions

How is the coating of the Concave Mirror protected?

The mirror is back-silvered and sealed with a protective lead-free epoxy paint to prevent oxidation.

What is the Concave Mirror used to measure?

Its focal length and the object and image distances that test the mirror formula, using real images formed on a screen.

Related Physics Lab Equipment

See the full physics lab equipment range, or these related mirrors and optical bench items:

For a quotation on the Concave Mirror, contact JLab India on +91-8569909696.

   
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