Thermal Equilibrium and the Concept of Temperature NEET Questions

Physics - Thermodynamics

Thermal Equilibrium and the Concept of Temperature MCQ Questions


7.
What happens to heat flow when two systems reach thermal equilibrium?
A.
Heat continues to flow
B.
Heat flow stops
C.
Heat flows from cold to hot
D.
Heat flows indefinitely
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ANSWER :
B. Heat flow stops
8.
What is the primary indication that two objects are not in thermal equilibrium?
A.
Same color
B.
Same pressure
C.
Different masses
D.
Different densities
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ANSWER :
C. Different masses
9.
Which physical quantity determines the direction of heat flow between two bodies?
A.
Mass
B.
Temperature
C.
Density
D.
Volume
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ANSWER :
B. Temperature
10.
Two bodies are said to be in thermal equilibrium if they have the same:

NEET - 2018

A.
mass.
B.
volume.
C.
temperature.
D.
energy content.
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ANSWER :
C. temperature.
11.
The zeroth law of thermodynamics helps in measuring which physical quantity?
A.
Pressure
B.
Temperature
C.
Heat capacity
D.
Entropy
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ANSWER :
B. Temperature
12.
When a system is in thermal equilibrium, its temperature:
A.
Changes rapidly
B.
Fluctuates randomly
C.
Remains constant
D.
Increases continuously
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ANSWER :
C. Remains constant