Class XI: Unit 1 - Unit & Measurement

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Across
  1. 2. A fundamental SI unit for length.
  2. 3. Shows how base quantities represent a physical quantity.
  3. 4. A set of base and derived units.
  4. 7. The units for derived quantities.
  5. 8. A basic, accepted reference standard for measurement.
  6. 9. A fundamental SI unit for mass.
  7. 10. Physical quantities that have units formed from base units.
  8. 11. The number of reliable digits plus the first uncertain one.
  9. 13. The unit of plane angle in SI.
Down
  1. 1. The process of comparing a quantity to a standard.
  2. 4. The unit of solid angle in SI.
  3. 5. The internationally accepted system of units.
  4. 6. A fundamental SI unit for time.
  5. 12. The study of the dimensions of physical quantities.