Physics Practicals Class 10

Image Formation by Concave Lens

  • Teach science experiments in a gamified way
  • Boost conceptual clarity and knowledge retention
  • Aligned with National Education Policy 2020
  • Helpful in getting NAAC accreditation
  • CBSE, ICSE, and state boards aligned curricula
  • Engaging simulations with easy-to-teach instructions

About Simulation

  • Explore the simulation of image formation by concave lenses.
  • Engage in interactive experiments to observe the behavior of light rays passing through concave lenses.
  • Study the formation of images in various scenarios, including different object distances and lens configurations.
  • Analyze the characteristics of images formed, such as size, orientation, and position relative to the lens.
  • Manipulate variables like object distance, lens curvature, and focal length to understand their effects on image formation.
  • Utilize the simulation to comprehend the principles of optics and the behavior of concave lenses in real-world applications.

Physics Practical Class

  • Experience a virtual laboratory environment that closely mirrors the procedures and observations of conducting experiments with concave lenses.
  • Gain practical insights into how concave lenses are used in optical devices and systems for purposes like vision correction, photography, and microscopy.

Simulation Details

Duration – 30 Minutes
Easily Accessible
Languages – Odia & English
Platforms – Android & Windows


Concave lens

A concave lens is a lens that diverges a straight light beam from the source to a diminished, upright, virtual image. It can form both real and virtual images. Concave lenses have at least one surface curved inside.

Physics Practical Class

Rules for drawing ray diagrams in concave lens

A ray of light from the object, parallel to the principal axis, after refraction from a concave lens, the ray appears to diverge from the principal focus located on the same side of the lens.

Physics Practical Class

A ray of light appearing to meet at the principal focus of a concave lens, after refraction, will emerge parallel to the principal axis.

Physics Practical Class

A ray of light passing through the optical centre of a lens will emerge without any deviation.

Physics Practical Class

The ray diagrams represent the image formation in a concave lens for various positions of the object.

Physics Practical Class

Requirements for this Science Experiment

  • Concave mirror
  • Candle
  • Metre scale
  • Lighter
  • Screen
  • Mirror holder

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