Stress–strain curve: Young's modulus, yield and fracture
Stretch a wire of steel, copper, aluminium, glass or rubber until it breaks. Find Young's modulus from the slope, locate proportional limit, yield point, ultimate strength and fracture, and see permanent set after unloading.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 8. Mechanical Properties of Solids |
| NCERT section | 8.2–8.5 |
| 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: stress · strain · Young's modulus · Hooke's law · elastic limit · yield