A student records the initial length l, change in temperature T and change in length l of a rod as follows.
| S.NO | l(m) | ||
| 1. | 2 | 10 | |
| 2. | 1 | 10 | |
| 3. | 2 | 20 | |
| 4. | 3 | 10 |
If the first observation is correct, what can you say about observations 2, 3 and 4?
© 2026 GoodEd Technologies Pvt. Ltd.
