Systems of Units in Physics
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the SI unit for the fundamental quantity of length?

  • kilometer
  • metre (correct)
  • inch
  • centimeter
  • Which of the following is a derived unit in the SI system?

  • second
  • velocity (correct)
  • kilogram
  • ampere
  • What is the SI unit for the fundamental quantity of electric current?

  • ohm
  • ampere (correct)
  • watt
  • volt
  • Which of the following is a supplementary unit in the SI system?

    <p>plane angle</p> Signup and view all the answers

    The SI unit of momentum is expressed in terms of which fundamental units?

    <p>kg·m/s</p> Signup and view all the answers

    What is the relationship between radians and degrees for a plane angle?

    <p>1 radian = 180 degrees</p> Signup and view all the answers

    Which system of units was recommended by the 14th International general conference on weights and measures in 1971?

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

    What are the seven fundamental quantities of measurement?

    <p>Length, mass, time, temperature, electric charge, luminous intensity, amount of substance</p> Signup and view all the answers

    What was the main reason for recommending the SI system of units over the CGS, MKS, and FPS systems?

    <p>Ease of conversion within the system</p> Signup and view all the answers

    What does SI stand for in the context of units of measurement?

    <p>System International</p> Signup and view all the answers

    Which physical quantity is measured in Kelvins (K)?

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

    What determines a fundamental quantity?

    <p>Does not depend on any other physical quantity</p> Signup and view all the answers

    What is the primary purpose of using standard units in measurement?

    <p>To allow for easy comparison of measurements</p> Signup and view all the answers

    Which of the following is NOT a unit commonly used in a physics laboratory?

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

    According to the passage, which of the following statements about the relationship between a measured quantity and its unit is true?

    <p>The measured quantity is always followed by the corresponding unit.</p> Signup and view all the answers

    Which of the following is an example of a physical quantity that would be measured using standard units?

    <p>The temperature of a room</p> Signup and view all the answers

    Which of the following is not a reason why standard units are used in measurement?

    <p>To ensure accuracy of measurements</p> Signup and view all the answers

    Which of the following statements about units and measurements is true?

    <p>Measurements always involve a comparison to a standard unit</p> Signup and view all the answers

    More Like This

    Systems of Units Quiz
    5 questions

    Systems of Units Quiz

    MagnificentSloth avatar
    MagnificentSloth
    Physics: Derived Units and Systems
    66 questions
    Physics Chapter: Units and Dimensions
    16 questions
    Use Quizgecko on...
    Browser
    Browser