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JAC test 01

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

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