3 JEE Main 2026 Mathematics in Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Mathematics in Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Mathematics in Physics chapter hub.
Four persons measure the length of a rod as 20.00 ~cm, 19.75 ~cm, 17.01 ~cm and 18.25 cm. The relative error in the mea…
The density ρ of a uniform cylinder is determined by measuring its mass m, length l and diameter d. The measured values…
In an experiment the values of two spring constants were measured as k₁=(10 ± 0.2) N / m and k₂=(20 ± 0.3) N / m. If th…