Vernier calipers: least count and zero error
Measure a hidden cylinder with a 3D vernier caliper. Find the least count, spot zero error, read the main and vernier scale and check your answer.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 1. Units and Measurement |
| NCERT section | 1.3 |
| Level | NCERT level |
| Time | about 10 minutes |
| Access | Free, no card needed |
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: measurement · vernier · least count · zero error · significant figures