Units and Measurements
8 solved questions from Class 11 Physics, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the fundamental law or governing principle of 'Units and Measurements' in Class 11 Physics? medium MCQ Fundamental Physical Law
- 2 What is the SI unit and dimensional formula for the key physical quantity studied in 'Units and Measurements'? medium MCQ SI Units & Dimensional Analysis
- 3 How does the field or potential intensity vary with distance r in 'Units and Measurements'? medium MCQ Spatial Distance Dependence
- 4 What is the net flux or circulation integral through a closed surface in 'Units and Measurements'? medium MCQ Gauss's Theorem & Boundary Integrals
- 5 Why do field lines in 'Units and Measurements' never intersect each other? medium MCQ Field Line Properties
- 6 Using dimensional analysis, determine the possible form of the gravitational force between two point masses M and m separated by a distance r, given that the force must depend only on M, m, r, and the universal gravitational constant G. hard 4 marks Dimensional analysis
- 7 A speedometer reads 60 km h^-1 with a systematic error of pm 1% and a random error of pm 0.5 km h^-1. What is the possible range of the true speed of the vehicle? hard 3 marks Error propagation
- 8 A speedometer of a truck reads 80 km h^-1 with a systematic error of ±3% and a random error of ±0.8 km h^-1. What is the range of possible true speeds of the truck? hard 4 marks error propagation