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


7.
If the radius of a sphere is doubled, its terminal velocity will:
A.
Double
B.
Halve
C.
Increase four times
D.
Remain the same
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ANSWER :
C. Increase four times
8.
The coefficient of viscosity of a liquid depends on:
A.
Only pressure
B.
Temperature and pressure
C.
Only temperature
D.
Only density
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ANSWER :
B. Temperature and pressure
9.
What is the dimensional formula of viscosity?
A.
[ML⁻¹T⁻¹]
B.
[MLT⁻²]
C.
[M⁻¹L⁻¹T²]
D.
[M⁰L⁰T⁰]
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ANSWER :
A. [ML⁻¹T⁻¹]
10.
The terminal velocity of a body falling through a fluid is directly proportional to:
A.
Square of radius
B.
Cube of radius
C.
Mass of the body
D.
Density of liquid
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ANSWER :
B. Cube of radius
11.
Which of the following fluids has the highest viscosity?
A.
Honey
B.
Water
C.
Oil
D.
Milk
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ANSWER :
A. Honey
12.
Viscosity of a liquid __________ with an increase in temperature.
A.
Decreases
B.
Increases
C.
Remains constant
D.
First increases, then decreases
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ANSWER :
A. Decreases