Thermodynamics

Physics
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Zeroth law of thermodynamics gives the concept of

A
Pressure
B
Volume
C
Temperature
D
Heat
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In which of the process the internal energy of the system remains constant ?

A
Adiabatic
B
Isochoric
C
Isobaric
D
Isothermal
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In isothermal expansion the pressure is determined by :

A
temperature only
B
compressibility only
C
both temperature and compressibility
D
latent heat
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The bullet fired from a gun gets heated on striking a target because

A
it loses energy
B
mechanical energy is converted in to heat energy
C
of latent heat
D
specific heat
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In the free expansion of an Ideal gas, its internal energy

A
remains constant
B
increases
C
decreases
D
sometimes increases , sometimes decreases
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The thermal motion means

A
motion due to heat engine
B
disorderly motion of the body as a whole
C
motion of the body that generates heat
D
random motion of molecules
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On compressing a gas suddenly, its temperature 

A
increases
B
decreases
C
remains constant
D
all the above
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