Thermodynamics Fundamentals Quiz
Test your understanding of basic thermodynamic principles, laws, and processes for ISC Class 11 Physics
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Quiz Questions & Answers
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Question 1: What is the zeroth law of thermodynamics primarily about?
Heat transfer
Thermal equilibrium
Energy conservation
Entropy change
Question 2: In an isothermal process, what remains constant?
Pressure
Volume
Temperature
Energy
Question 3: What happens to the internal energy of an ideal gas during isothermal expansion?
It increases
It remains constant
It decreases
It first increases then decreases
Question 4: Which process has zero heat transfer?
Isothermal
Adiabatic
Isobaric
Isochoric
Question 5: What is the first law of thermodynamics essentially about?
Conservation of energy
Heat flow direction
Entropy increase
Temperature equilibrium
Question 6: In an adiabatic process, which quantity remains constant?
Temperature
Pressure
PVᵞ
Volume
Question 7: What is the efficiency of a Carnot engine operating between 400K and 300K?
25%
75%
40%
100%
Question 8: During an isobaric process, what remains constant?
Volume
Pressure
Temperature
Entropy
Question 9: Which statement best describes the second law of thermodynamics?
Heat always flows from cold to hot
Energy is always conserved
Heat spontaneously flows from hot to cold
Temperature always increases
Question 10: What is the value of work done in an isochoric process?
Zero
Maximum possible
Depends on pressure
Negative
Question 11: What happens to the internal energy of a gas during adiabatic compression?
Remains constant
Increases
Decreases
Becomes zero
Question 12: Which thermodynamic process follows the curve PV = constant?
Adiabatic
Isothermal
Isobaric
Isochoric
Question 13: What is the change in entropy for a reversible isothermal process?
Q/T
Zero
Q×T
T/Q
Question 14: What is the main function of a heat engine?
To create energy
To convert heat to work
To destroy entropy
To convert work to heat
Question 15: In a cyclic process, what is the net change in internal energy?
Zero
Positive
Negative
Depends on the path