Viscosity NEET Questions

Physics - Properties of Solids and Liquids

Viscosity MCQ Questions


7.
The viscosity of gases:
A.
Increases with temperature
B.
Decreases with temperature
C.
Remains constant
D.
Becomes zero
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ANSWER :
A. Increases with temperature
8.
Which law describes the relationship between viscous force, area, and velocity gradient?
A.
Bernoulli’s principle
B.
Boyle’s law
C.
Charles’s law
D.
Newton’s law of viscosity
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ANSWER :
D. Newton’s law of viscosity
9.
Which of the following is a practical application of viscosity?
A.
Calculating electric current
B.
Measuring temperature
C.
Lubrication of machinery
D.
Determining pH levels
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ANSWER :
C. Lubrication of machinery
10.
The term η\etaη in the viscosity formula represents:
A.
Surface tension
B.
Coefficient of viscosity
C.
Density of the fluid
D.
Pressure of the fluid
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ANSWER :
B. Coefficient of viscosity
11.
What is the unit of the coefficient of viscosity in the CGS system?
A.
Joule
B.
Pascal
C.
Newton
D.
Poise
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ANSWER :
D. Poise
12.
Which type of fluids obey Newton’s law of viscosity?
A.
Superfluids
B.
Non-Newtonian fluids
C.
Ideal fluids
D.
Newtonian fluids
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ANSWER :
D. Newtonian fluids