Streamline, and Turbulent Flow, Stoke's Law NEET Questions

Physics - Properties of Solids and Liquids

Streamline, and Turbulent Flow, Stoke's Law MCQ Questions


7.
Which of the following does not affect the type of fluid flow?
A.
Diameter of the pipe
B.
Viscosity of the fluid
C.
Velocity of the fluid
D.
Color of the fluid
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ANSWER :
D. Color of the fluid
8.
Which of the following is true for turbulent flow?
A.
The pressure remains constant
B.
It is associated with smooth fluid layers
C.
The flow is always uniform
D.
It results in higher energy losses
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ANSWER :
D. It results in higher energy losses
9.
What is Stoke's law used for?
A.
Calculating the flow rate in a pipe
B.
Determining the speed of sound
C.
Measuring the temperature of a fluid
D.
Calculating the drag force on a spherical object moving through a viscous fluid
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ANSWER :
D. Calculating the drag force on a spherical object moving through a viscous fluid
10.
Which of the following factors does not influence viscous drag according to Stoke’s law?
A.
The viscosity of the fluid
B.
The radius of the object
C.
The color of the object
D.
The velocity of the object
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ANSWER :
C. The color of the object
11.
Stoke's law is applicable to:
A.
Gases in high-velocity flow
B.
Large objects in a vacuum
C.
Fluids with high Reynolds number
D.
Small spherical objects in a viscous medium
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ANSWER :
D. Small spherical objects in a viscous medium
12.
Which of the following is a practical application of Stoke's law?
A.
Calculating the terminal velocity of raindrops
B.
Measuring electrical resistance
C.
Determining the optical density of fluids
D.
Analyzing chemical reactions
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ANSWER :
A. Calculating the terminal velocity of raindrops