Understanding Viscosity Effects on Liquid Temperature
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Questions and Answers

What happens to viscosity as the temperature of a liquid increases?

  • Viscosity increases (correct)
  • Viscosity becomes denser
  • Viscosity stays the same
  • Viscosity decreases

    • How does adding an adulterant affect the viscosity of a liquid?

  • Viscosity stays the same
  • Viscosity decreases
  • Viscosity increases (correct)
  • Viscosity evaporates

    • What is the relationship between viscosity and intermolecular distance?

  • Viscosity is not affected by intermolecular distance
  • Viscosity decreases as intermolecular distance increases
  • Viscosity increases as intermolecular distance decreases (correct)
  • Viscosity decreases as intermolecular distance decreases

    • How does the addition of sugar affect the viscosity of a liquid?

    <p>Viscosity increases</p> Signup and view all the answers

    What happens to viscosity when a lighter metal sphere is introduced into a liquid?

    <p>Viscosity increases</p> Signup and view all the answers

    What effect does a decrease in liquid temperature have on viscosity?

    <p>Viscosity decreases</p> Signup and view all the answers

    What is the unit of dynamic viscosity in the SI system?

    <p>Newtons per square meter (N/m²)</p> Signup and view all the answers

    In the context of viscosity, what does the term 'gradient velocity' refer to?

    <p>The difference in speed between layers of liquid</p> Signup and view all the answers

    What does Reynolds number help determine in fluid dynamics?

    <p>The transition to turbulence in fluid flow</p> Signup and view all the answers

    How is viscosity related to the relative speed of liquid layers?

    <p>Viscosity increases as relative speed increases</p> Signup and view all the answers

    Which property of a liquid affects its viscosity the most?

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

    What happens at the bottom-most layer of a liquid with varying viscosity along its depth?

    <p>The bottom-most layer experiences the highest frictional force</p> Signup and view all the answers

    What is the name of the law that describes the force experienced by a sphere falling through a liquid?

    <p>Stoke's Law</p> Signup and view all the answers

    What property does viscosity refer to in the context of liquids?

    <p>The resistance of a liquid to flow</p> Signup and view all the answers

    In the context provided, what does the term 'terminal velocity' mean?

    <p>The maximum velocity reached by an object falling through a liquid</p> Signup and view all the answers

    How does the viscosity of a liquid affect the force experienced by a sphere falling through it?

    <p>Higher viscosity leads to higher force</p> Signup and view all the answers

    What is the role of buoyancy when a sphere is freely falling through a liquid?

    <p>Buoyancy opposes the sphere's motion</p> Signup and view all the answers

    Which equation is commonly used to describe the flow of liquids according to the provided text?

    <p>Reynold's Equation</p> Signup and view all the answers

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