Pressure Barometer NDA Questions

NDA Physics

Pressure Barometer MCQ Questions


7.
Which type of barometer uses a column of liquid to measure atmospheric pressure?
A.
Mercury barometer
B.
Aneroid barometer
C.
Fortin barometer
D.
Piezometer
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ANSWER :
A. Mercury barometer
8.
What happens to the reading on a barometer when there's a storm approaching?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Fluctuates randomly
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ANSWER :
B. Decreases
9.
What is the pressure exerted by a force of 200 N over an area of 4 m²?
A.
50 Pa
B.
800 Pa
C.
50 N/m²
D.
800 N/m²
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ANSWER :
A. 50 Pa
10.
Which law describes the relationship between the volume and pressure of a gas, given constant temperature
A.
Boyle's law
B.
Charles's law
C.
Gay-Lussac's law
D.
Avogadro's law
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ANSWER :
A. Boyle's law
11.
Which of the following is a unit of atmospheric pressure?
A.
Torr
B.
Bar
C.
Pascal
D.
All of the above
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ANSWER :
D. All of the above
12.
What principle describes the relationship between pressure and volume of a gas, assuming temperature remains constant?
A.
Avagadro law
B.
Charles's law
C.
Gay-Lussac's law
D.
Boyle's law
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ANSWER :
D. Boyle's law