Physics and Measurement Quiz
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Questions and Answers

Which unit is not required to have its standard definition in the System International (SI)?

  • Second
  • Kilogram (correct)
  • Ampere
  • Kelvin

    • What is the correct order of prefixes for multiples and sub-multiples of units?

  • Milli, centi, mega, kilo
  • Centi, milli, kilo, mega
  • Kilo, mega, milli, centi
  • Mega, kilo, centi, milli (correct)

    • Which instrument is used for measuring length and has limitations due to zero error?

  • Metre rule
  • Screw gauge
  • Micrometer
  • Vernier Callipers (correct)

    • Why is it important to use significant figures for recording and stating results in the laboratory?

    <p>To ensure accuracy and communicate the level of precision of the measurement</p> Signup and view all the answers

    Which unit is used to measure electric current?

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

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