Physics Practicals Class 11

Use of Vernier Callipers

  • 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

  • In this simulation, you will see vernier callipers and all the given bodies of different dimensions explained, allowing you to understand their measurements thoroughly.
  • Using the main and vernier scale provided on the vernier callipers, you can accurately measure the dimensions of the given bodies, ensuring precision in your calculations.
  • By examining the divisions on the main and vernier scales, you can calculate the total reading of dimensions of the given bodies and determine corresponding quantities such as volume and density.
  • Throughout the simulation, you will gain a comprehensive understanding of the principle of vernier callipers and how they are utilized in various applications.

Physics Practical Class

  • At the end of this simulation, you will understand about the parts and functions of vernier callipers, their principle, least count, and errors, as well as how to measure the dimensions of different objects such as a small spherical body, a regular rectangular body, and a cylindrical object's internal diameter and depth.

Simulation Details

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


Vernier Calliper
Vernier calliper was invented by French scientist Pierre Vernier for precise linear measurements. It is used to measure the length, diameter, thickness, depth, etc. precisely. A Vernier Calliper has two scales – a Main scale and a Vernier scale, which slides along the main scale. The main scale and vernier scale are divided into small divisions of different magnitudes. The main scale is graduated in cm and mm. The sliding Vernier scale has jaws projecting at right angles to it and also the main scale and a metallic strip. The zero of main scale and Vernier scale coincide when the jaws are made to touch each other. The knob is used to slide the vernier scale on the main scale. Screw is used to fix the vernier scale at a desired position.

Least Count (L.C.) of Vernier Calliper
The least count of vernier callipers is also known as the vernier constant. It is defined as the difference between one main scale division and one vernier scale division. It is also given by

Physics Practical Class

Requirements for this Science Experiment

  • Vernier calliper
  • Wooden block
  • Beaker
  • Pendulum bob

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