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Physics Units and Measurements Quiz
32 Questions
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Physics Units and Measurements Quiz

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Questions and Answers

What is the vector product of two parallel or antiparallel vectors?

  • Equal to 1
  • Greater than 1
  • Less than 1
  • Equal to 0 (correct)

    • What is the vector product of any vector with itself?

  • Greater than 1
  • Equal to 1
  • Less than 1
  • Equal to 0 (correct)

    • What refers to physical quantities that are completely specified by just a number and a unit or physical quantities that have magnitudes only?

  • Scalar quantities (correct)
  • Dot product
  • Vector quantities
  • Vector product

    • What refers to physical quantities that have a magnitude and a direction?

    <p>Vector quantities</p> Signup and view all the answers

    What is the dot product of two perpendicular vectors?

    <p>Equal to 0</p> Signup and view all the answers

    What is the dot product of any vector with a zero vector?

    <p>Equal to 0</p> Signup and view all the answers

    What is the cross product of two parallel vectors?

    <p>Equal to 0</p> Signup and view all the answers

    What is the cross product of any vector with a zero vector?

    <p>Equal to 0</p> Signup and view all the answers

    What is the SI unit of pressure?

    <p>Pascal (Pa)</p> Signup and view all the answers

    What is the SI unit of intensity?

    <p>Watt per square meter (W/m^2)</p> Signup and view all the answers

    How many Pascals are equivalent to 1 bar?

    <p>100,000 Pascals</p> Signup and view all the answers

    What is the unit of potential difference?

    <p>Volt (V)</p> Signup and view all the answers

    How many joules is one electron volt equivalent to?

    <p>1.6 x 10^-19 joules</p> Signup and view all the answers

    What is the unit of capacitance?

    <p>Farad (F)</p> Signup and view all the answers

    What is the SI unit of electric current?

    <p>Ampere (A)</p> Signup and view all the answers

    What is the unit of resistance?

    <p>Ohm (Ω)</p> Signup and view all the answers

    What is the SI unit of luminous intensity?

    <p>Candela (cd)</p> Signup and view all the answers

    What is the unit of luminous flux?

    <p>Lumen (lm)</p> Signup and view all the answers

    How many watts is one horsepower equivalent to?

    <p>746 watts</p> Signup and view all the answers

    In what unit is sound intensity measured?

    <p>Decibels (dB)</p> Signup and view all the answers

    What is the SI unit of force?

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

    What is the SI unit of pressure?

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

    What is the SI unit of electric current?

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

    What is the SI unit of frequency?

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

    What is the SI unit of force?

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

    What is the SI unit of pressure?

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

    What is the SI unit of luminous flux?

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

    What is the SI unit of electric current?

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

    What is the SI unit of frequency?

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

    What is the SI unit of electric charge?

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

    What is the SI unit of magnetic flux?

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

    What is the SI unit of conductance?

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

    Study Notes

    Physics Units and Measurements

    • The SI unit of pressure is the Pascal (Pa).
    • 1 bar is equivalent to 100,000 Pascals.
    • The SI unit of intensity is the watt per square meter (W/m^2).
    • The unit of potential difference is the Volt (V).
    • One electron volt is equivalent to 1.6 x 10^-19 joules.
    • The unit of capacitance is the Farad (F).
    • The SI unit of electric current is the Ampere (A).
    • The unit of resistance is the Ohm (Ω).
    • The SI unit of luminous intensity is the Candela (cd).
    • The unit of luminous flux is the Lumen (lm).
    • One horsepower is equivalent to 746 watts.
    • Sound intensity is measured in decibels (dB).

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    Description

    Test your knowledge of physics units and measurements with this quiz. From pressure to electric current, potential difference to luminous intensity, challenge yourself with questions about the SI units and equivalents in the world of physics.

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