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Fluid Physics Quiz

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Questions and Answers

What is the definition of a fluid in physics?

A substance that resists any shear force applied to it

A substance that only includes the liquid phase

A substance that has a fixed shape and volume

A substance that may continuously move and deform under applied shear stress (correct)

What is the shear modulus of fluids?

High

Dependent on temperature

Variable

Zero (correct)

What are non-Newtonian fluids like Silly Putty considered to behave as when a sudden force is applied?

Similar to a gas

Similar to a plasma

Similar to a superfluid

Similar to a solid (correct)

In particle physics, how is the concept of fluid extended?

To include fluidic matters other than liquids or gases Signup and view all the answers

What does a fluid in medicine or biology refer to?

Any liquid constituent of the body (body fluid) Signup and view all the answers

What is a defining characteristic of a supercritical fluid?

It can effuse through porous solids like a gas Signup and view all the answers

Where are supercritical fluids found in our solar system?

In the atmospheres of gas giants like Jupiter and Saturn Signup and view all the answers

What distinguishes supercritical fluids from gases in their ability to dissolve materials?

Supercritical fluids are much superior to gases in their ability to dissolve materials like liquids or solids Signup and view all the answers

What happens to the density of a supercritical fluid near its critical point with small changes in pressure or temperature?

Small changes in pressure or temperature result in large changes in density Signup and view all the answers

How are supercritical fluids used in industrial and laboratory settings?

As a substitute for organic solvents Signup and view all the answers