Bernoulli’s Principle NEET Questions

Physics - Properties of Solids and Liquids

Bernoulli’s Principle MCQ Questions


7.
Which of the following demonstrates Bernoulli’s principle in everyday life?
A.
Expanding a solid
B.
Heating a liquid
C.
Cooling a gas
D.
Airplane lift
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ANSWER :
D. Airplane lift
8.
Bernoulli’s principle is used in:
A.
Thermometers
B.
Barometers
C.
Thermocouples
D.
Sprayers and atomizers
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ANSWER :
D. Sprayers and atomizers
9.
The lift generated by an airplane wing is due to:
A.
Equal pressure on both surfaces
B.
Higher pressure on the top surface
C.
Lower pressure on the top surface
D.
Increased temperature of the air
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ANSWER :
C. Lower pressure on the top surface
10.
Water flows through a horizontal pipe of varying cross-section. At a point where the cross-sectional area is 10 cm², the velocity of water is 1 m/s and the pressure is 2000 Pa. What is the pressure at another point where the cross-sectional area is 5 cm²? (Assume density of water = 1000 kg/m³)

NEET - 2017

A.
500 Pa
B.
1000 Pa
C.
1500 Pa
D.
2500 Pa
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ANSWER :
A. 500 Pa
11.
Which of the following is true according to Bernoulli’s principle?
A.
An increase in speed increases pressure
B.
An increase in fluid speed results in a decrease in pressure
C.
Pressure and speed are independent
D.
Pressure remains constant
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ANSWER :
B. An increase in fluid speed results in a decrease in pressure
12.
The Bernoulli’s equation is valid for:
A.
Incompressible and non-viscous fluids
B.
Compressible and viscous fluids
C.
Gases only
D.
Solids only
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ANSWER :
A. Incompressible and non-viscous fluids