Physics Practicals Class 11

Variation in Volume with Pressure

  • 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

  • Through the simulation, you will gain a comprehensive understanding of how fire extinguishers operate in line with Boyle's law, providing you with insights into their functionality.
  • You can explore how gases behave when subjected to changes in pressure, whether they compress or expand, enhancing your understanding of gas dynamics.
  • At the conclusion of the simulation, you will have learned the fundamental concept of Boyle's law, empowering you with a deeper understanding of gas behavior.
  • You will discover the relationship between pressure and temperature variations, enriching your knowledge of thermodynamics and its practical applications.

Physics Practical Class

  • Through the simulation, you can grasp the intricacies of Quill's tube apparatus and its role in demonstrating Boyle's law, expanding your comprehension of experimental setups in physics.

Simulation Details

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


Gas is a state of matter that has no fixed shape and no fixed volume. Gases have a lower density than other states of matter, such as solids and liquids. Gas particles move very fast and collide with one another, causing them to diffuse, or spread out until they are evenly distributed throughout the volume of the container.

Boyle’s Law
According to Boyle’s Law, the pressure (P) of a given mass of gas is inversely proportional to its volume (V), provided that the temperature of the gas remains constant.

For an enclosed gas, at constant temperature (T);

Physics Practical Class

Quill’s tube apparatus
It is a glass tube of uniform cross-section of diameter about 2 mm and length about 1 m. One end of the tube is closed such that an air column of length about 30 cm is enclosed by the closed end and a mercury pellet of length about 15 cm. By changing the position of the tube, the pressure of the air column can be changed. This tube is fixed on a meter scale and this is fixed to clamp of a retort stand. By adjusting the clamp, the orientation of the tube along with the scale in vertical plane can be changed.

Requirements for this Science Experiment

  • Quill’s tube apparatus
  • Retort stand
  • Fortin’s barometer
  • Meter scale

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