Convex and concave lenses, lens maker's formula
Optical bench with a thin lens. Move the object, change focal length and watch the principal rays build real or virtual images; verify 1/v − 1/u = 1/f and magnification.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 9. Ray Optics and Optical Instruments |
| NCERT section | 9.5, 9.6 |
| 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: lens · ray optics · image formation · magnification · lens formula
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