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Physics English Medium Fsc Part 1 Chapter 11 Online MCQs Test MCQs With Answers
Question # 1
The Carnot cycle can be shown by which graph
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P - T graph
P - V Graph
V- T graph
PV -T graph
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Question # 2
First law of thermodynamics can be defined by the equation
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Question # 3
In reversible process the entropy of system.
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Remain constant
Decrease
Increase
Becomes zero
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Question # 4
If heat engine absorb 400 J and rejects 200 J heat energy, its efficiency will be.
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25%
50%
70%
100%
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Question # 5
Environmental crisis are also known as
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Population crisis
Entropy crisis
War crisis
Mass crisis
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Question # 6
A finite volume of gas consists of
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Small no. of molecules
Large no. of molecule
Average no. of molecule
None of these
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Question # 7
A device based upon the thermodynamics property of matter is called.
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Calorimeter
Heat engine
thermometer
Voltmeter
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Question # 8
Carnot cycle consists of.
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Two steps
Three steps
Four steps
Five steps
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Question # 9
Heat is form of.
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Power
Momentum
Energy
Torque
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Question # 10
The molecules of an ideal gas exert
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Force on each other
No force on each other
Large force on each other
Pressure on each other
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Question # 11
A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes.
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Halve
Doubled
Four time
Constant
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