Bernoulli’s Principle NEET Questions

Physics - Properties of Solids and Liquids

Bernoulli’s Principle MCQ Questions


1.
Bernoulli’s principle is based on the law of:
A.
Conservation of mass
B.
Conservation of momentum
C.
Conservation of energy
D.
Conservation of charge
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ANSWER :
C. Conservation of energy
2.
According to Bernoulli’s principle, if the speed of a fluid increases, its pressure:
A.
Remains the same
B.
Increases
C.
Decreases
D.
Becomes zero
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ANSWER :
C. Decreases
3.
Which of the following is an application of Bernoulli’s principle?
A.
Mercury thermometer
B.
Airplane wings generating lift
C.
Spring balance
D.
Galvanometer
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ANSWER :
B. Airplane wings generating lift
4.
Bernoulli’s principle is applicable to:
A.
Turbulent flow only
B.
Ideal fluids in streamline flow
C.
Viscous fluids only
D.
Solids only
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ANSWER :
B. Ideal fluids in streamline flow
5.
In a Venturi meter, the speed of a fluid increases when:
A.
The fluid is heated
B.
The cross-sectional area increases
C.
The density of the fluid increases
D.
The cross-sectional area decreases
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ANSWER :
D. The cross-sectional area decreases
6.
A large open tank has a small hole at a depth of 20 m below the water surface. The velocity of efflux of water from the hole is: (Take g = 10 m/s²)

NEET - 2016

A.
10 m/s
B.
20 m/s
C.
√400 m/s
D.
40 m/s
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ANSWER :
B. 20 m/s