JEE Main & Advanced
Physics
Mathematical Tools, Units & Dimensions
Question Bank
Self Evaluation Test - Physical World, Units and Measurements
question_answer
The values of kinetic energy K and potential energy U are measured as follows: \[K=100.0\pm 2.0\text{ }J,\,\,\,U=200.0\pm 1.0\text{ }J\]. Then the percentage error in the measurement of mechanical energy is -