JAC test 01
- Write the names of three systems of units for measurement. Also write the base units used in each of these systems.
- How many base units are there in SI unit system? Write them.
- What are the units for plane angle and solid angle?
- How many significant numbers are there in following numbers: (a) 72.50 (b) 0.00340.
- Solve the following (a) 7.25 + 8.232 (b) 9.287 – 3.24 (c) 7.5 × 2.81
- Write the dimensions of following physical quantities: (a) mass (b) velocity (c) force (d) volume.