SI Base Units and Fundamental Quantities Quiz

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Questions and Answers

Which of the following is considered a base unit in the SI system?

  • Metre (correct)
  • Coulomb
  • Newton
  • Joule

What is a unit multiple?

  • A fraction of a given unit
  • A unit for a derived quantity
  • A unit with no conversion factors
  • An integer multiple of a given unit (correct)

What is a derived unit?

  • An integer multiple of a given unit
  • A unit for a derived quantity (correct)
  • A fraction of a given unit
  • A unit with no conversion factors

What are unit prefixes commonly based on?

<p>Base-10 or base-2 powers multiples and submultiples of units (C)</p> Signup and view all the answers

What are physical quantities related to each other by?

<p>Various physical laws (B)</p> Signup and view all the answers

Flashcards

What is the base unit of length in the SI system?

A fundamental measurement in the International System of Units (SI), representing the standard unit of length.

What is a unit multiple?

A unit that is a multiple of a base unit, often expressed using prefixes.

What is a derived unit?

A unit derived from other base units, obtained through mathematical combinations.

What are unit prefixes based on?

Prefixes used to indicate multiples or submultiples of base units, often based on powers of 10.

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How are physical quantities related?

Physical laws establish relationships between different physical quantities, often expressed in terms of units.

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