Terminal Velocity NEET Questions

Physics - Properties of Solids and Liquids

Terminal Velocity MCQ Questions


1.
Terminal velocity is defined as:
A.
The speed at which a fluid flows
B.
The maximum speed of a car
C.
The speed at which a body stops accelerating
D.
The constant speed attained by an object when the drag force equals the gravitational force
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ANSWER :
D. The constant speed attained by an object when the drag force equals the gravitational force
2.
The terminal velocity of a sphere falling through a viscous fluid depends on:
A.
Only on the fluid density
B.
Only on its radius
C.
Only on the fluid viscosity
D.
Its radius, fluid viscosity, and density difference between sphere and fluid
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ANSWER :
D. Its radius, fluid viscosity, and density difference between sphere and fluid
3.

A spherical ball is dropped in a long column of a highly viscous liquid. The curve in the graph shown, which represents the speed of the ball (v) as a function of time (t) is

NEET - 2022

A.

D

B.

A

C.

B

D.

C

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ANSWER :

C. B

4.
What happens to the terminal velocity of a body if the viscosity of the fluid increases?
A.
Remains the same
B.
Increases
C.
Decreases
D.
Becomes zero
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ANSWER :
C. Decreases
5.
Which of the following factors does not affect terminal velocity?
A.
Radius of the object
B.
Viscosity of the fluid
C.
Color of the object
D.
Density of the fluid
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ANSWER :
C. Color of the object
6.
Terminal velocity is reached when:
A.
The drag force is greater than the gravitational force
B.
The object stops moving
C.
The net force acting on the object becomes zero
D.
The buoyant force is zero
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ANSWER :
C. The net force acting on the object becomes zero