Bernoulli's principle: venturimeter
Water flows through a pipe that narrows. Continuity A₁v₁ = A₂v₂ speeds it up in the throat, Bernoulli lowers the pressure — read it on manometer tubes and use the pressure drop to measure the flow rate.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 9. Mechanical Properties of Fluids |
| NCERT section | 9.3, 9.4 |
| Level | NEET level |
| Time | about 14 minutes |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: Bernoulli · continuity · venturimeter · pressure · fluid flow
More from this chapter
- Archimedes' principle and floating bodies
- Surface tension: capillary rise and contact angle
- Pressure on a dam wall and the centre of pressure
- Pascal's law and hydraulic lift
- Poiseuille flow: viscous flow through a tube
- Excess pressure in drops and bubbles
- Stokes' law: terminal velocity and viscosity
- Surface energy: merging and splitting water drops