Zeroth Law of Thermodynamics NEET Questions

Physics - Thermodynamics

Zeroth Law of Thermodynamics MCQ Questions


13.
Which instrument directly uses the Zeroth Law of Thermodynamics?
A.
Barometer
B.
Thermometer
C.
Hygrometer
D.
Pyrometer
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ANSWER :
B. Thermometer
14.
What does the Zeroth Law of Thermodynamics state about thermal equilibrium?
A.
Heat transfer is constant
B.
Systems are at the same temperature
C.
Heat flows until equilibrium
D.
Entropy is maximized
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ANSWER :
B. Systems are at the same temperature
15.
A thermometer works on the principle of:

NEET - 2018

A.
Law of stable equilibrium
B.
Zeroth law of thermodynamics
C.
First law of thermodynamics
D.
Second law of thermodynamics
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ANSWER :
B. Zeroth law of thermodynamics
16.
If two systems are in thermal equilibrium with a third system, what can be concluded?
A.
They are not related
B.
They are in thermal equilibrium
C.
They are in mechanical equilibrium
D.
They have different temperatures
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ANSWER :
B. They are in thermal equilibrium
17.
Which concept is validated by the Zeroth Law of Thermodynamics?
A.
Conservation of mass
B.
Energy conservation
C.
Temperature uniformity
D.
Mechanical equilibrium
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ANSWER :
C. Temperature uniformity
18.
The Zeroth Law is essential for the construction of:
A.
Engines
B.
Pressure gauges
C.
Thermometers
D.
Heat engines
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ANSWER :
C. Thermometers