Resonance tube (open and closed organ pipes)
Slide the water level in a resonance tube until the tuning fork sounds loud: closed pipe L₁ = λ/4 − e, L₂ = 3λ/4 − e, so v = 2f(L₂ − L₁). Switch to an open pipe and see nodes and antinodes.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 14. Waves |
| NCERT section | 14.6 |
| Level | NCERT level |
| Time | about 12 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: resonance tube · organ pipe · speed of sound · end correction · standing waves
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- Doppler effect
- Melde's experiment: standing waves on a string
- Resonance tube: speed of sound and end correction
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- Standing waves on a string and Melde's experiment
- Transverse and longitudinal waves on a medium