Physics Practicals Class 11

Resonance Tube – Velocity of Sound

  • 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 the simulation, you will gain a comprehensive understanding of standing waves, nodes, and antinodes generated in a tube, as well as the principle of resonance and resonant frequency using a resonance tube.
  • Through the simulation, you can learn about how the radiations generated in a microwave oven produce wavelengths of different frequencies, which are utilized to bake food.
  • The concept of resonance in a microwave oven, elucidating its functionality.
  • How resonance is formed using tuning forks, providing insights into its practical applications.

Physics Practical Class

  • The velocity of sound at room temperature and the distribution of nodes and antinodes within an air column, enhancing your understanding of acoustic phenomena.

Simulation Details

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


Stationary waves: Stationary waves are produced by the superposition of two waves of the same frequency and amplitude travelling with the same velocity in opposite directions. Due to the constructive interference, these waves produce certain fixed points along the medium which undergo zero displacement. These points of no displacement are known as nodes. Midway between all nodes are regions of maximum displacement. These points are called antinodes.

Production of longitudinal stationary waves in air column

Physics Practical Class

Standing waves can be formed in a tube of air due to the interference of longitudinal sound waves travelling in opposite directions. In a pipe closed at one end, the closed end is a displacement node, and the open end is a displacement antinode.

The velocity of sound in air,

Physics Practical Class

Requirements for this Science Experiment

  • Thermometer
  • Resonance tube apparatus
  • Beaker filled with water
  • Turning fork

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