Measurement and Units Quiz
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Questions and Answers

What are fundamental quantities also known as?

  • Base units (correct)
  • Standard units
  • Derived units
  • Complex units

    • What is a unit in the measurement of physical quantities?

  • A large number of physical quantities
  • A fundamental quantity
  • A device used for measuring physical quantities
  • A standard for measuring a physical quantity (correct)

    • How are physical quantities expressed?

  • As a number accompanied by a measurement device
  • As a number accompanied by a unit (correct)
  • As a single value without a unit
  • As a unit accompanied by a number

    • Why do we require a limited number of units to express physical quantities?

    <p>Because the physical quantities are related to one another</p> Signup and view all the answers

    Which system of units is now accepted worldwide for measurement?

    <p>S.I. system</p> Signup and view all the answers

    What are the two additional quantities mentioned along with the seven base/fundamental quantities?

    <p>Plane angle and solid angle</p> Signup and view all the answers

    What does the term 'multiples and submultiples of units' refer to?

    <p>Prefixes used with units</p> Signup and view all the answers

    What does each prefix used with a unit represent?

    <p>A multiplication factor in terms of a certain power of 10</p> Signup and view all the answers

    Which unit is more convenient to express the diameter of a wire?

    <p>Millimeter</p> Signup and view all the answers

    Which system uses foot, pound, and second as its fundamental units?

    <p>F.P.S. system</p> Signup and view all the answers

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