Coefficient of Viscosity of a Given Viscous Liquid by Measuring the Terminal Velocity of a Given Spherical Body NEET Questions

Physics - Experimental Skills

Coefficient of Viscosity of a Given Viscous Liquid by Measuring the Terminal Velocity of a Given Spherical Body MCQ Questions


13.
What is the CGS unit of viscosity?
A.
Poise
B.
Newton
C.
Joule-sec
D.
Watt-sec
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ANSWER :
A. Poise
14.
Which of the following parameters does not affect terminal velocity?
A.
Density of the sphere
B.
Viscosity of the fluid
C.
Acceleration due to gravity
D.
Mass of the sphere
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ANSWER :
A. Density of the sphere
15.
If the terminal velocity of a sphere is v, what will be the terminal velocity of another sphere of twice the radius?
A.
2v
B.
4v
C.
v/2
D.
8v
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ANSWER :
B. 4v
16.
Which property of a fluid is measured using Poiseuille’s equation?
A.
Surface tension
B.
Viscosity
C.
Friction
D.
Adhesion
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ANSWER :
B. Viscosity
17.
The coefficient of viscosity is independent of:
A.
Temperature
B.
Density
C.
Volume
D.
Pressure
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ANSWER :
B. Density
18.
Which of the following fluids has the lowest viscosity?
A.
Water
B.
Petrol
C.
Alcohol
D.
Air
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ANSWER :
D. Air