πQuizπ¨
Which of the following physical quantities is an intensive property (does NOT depend on the amount of matter in the system)?
@iitjamphysicsexam
Which of the following physical quantities is an intensive property (does NOT depend on the amount of matter in the system)?
@iitjamphysicsexam
Anonymous Quiz
22%
Internal Energy (U)
18%
Enthalpy (H)
25%
Entropy (S)
36%
Specific Heat Capacity (c)
B.Sc. Physics Exam pinned Β«πQuizπ¨
Which of the following physical quantities is an intensive property (does NOT depend on the amount of matter in the system)?
@iitjamphysicsexamΒ»
Which of the following physical quantities is an intensive property (does NOT depend on the amount of matter in the system)?
@iitjamphysicsexamΒ»
πQuizπ¨
During a reversible quasi-static process, how does a system evolve from its initial state to its final state?
@iitjamphysicsexam πJoin
During a reversible quasi-static process, how does a system evolve from its initial state to its final state?
@iitjamphysicsexam πJoin
Anonymous Quiz
3%
At an infinite speed through non-equilibrium states
72%
Infinitely slowly through a continuous series of equilibrium states
20%
Spontaneously without exchanging any energy
5%
Through states where temperature and pressure are undefined
πQuizπ¨
Why does the internal energy (U) of an ideal gas depend only on its absolute temperature (T), regardless of changes in volume or pressure?
@iitjamphysicsexam πJoin
Why does the internal energy (U) of an ideal gas depend only on its absolute temperature (T), regardless of changes in volume or pressure?
@iitjamphysicsexam πJoin
Anonymous Quiz
12%
Ideal gas molecules have zero kinetic energy
61%
There are no intermolecular attractive forces between ideal gas particles
14%
Ideal gases cannot expand or contract isothermally
13%
Pressure cancels out internal kinetic energy completely
B.Sc. Physics Exam pinned Β«πQuizπ¨
Why does the internal energy (U) of an ideal gas depend only on its absolute temperature (T), regardless of changes in volume or pressure?
@iitjamphysicsexam πJoinΒ»
Why does the internal energy (U) of an ideal gas depend only on its absolute temperature (T), regardless of changes in volume or pressure?
@iitjamphysicsexam πJoinΒ»
πQuizπ¨
What does the Kelvin-Planck statement of the Second Law of Thermodynamics specifically forbid?
@iitjamphysicsexam
What does the Kelvin-Planck statement of the Second Law of Thermodynamics specifically forbid?
@iitjamphysicsexam
Anonymous Quiz
24%
Heat flowing spontaneously from a cold body to a hot body
53%
βA heat engine operating in a complete cycle converting 100% of absorbed heat into work
7%
Internal energy remaining constant during isothermal expansion
16%
Entropy reaching zero at absolute zero temperature
B.Sc. Physics Exam pinned Β«πQuizπ¨
What does the Kelvin-Planck statement of the Second Law of Thermodynamics specifically forbid?
@iitjamphysicsexamΒ»
What does the Kelvin-Planck statement of the Second Law of Thermodynamics specifically forbid?
@iitjamphysicsexamΒ»
πQuizπ¨
Why is heat (Q) classified as a path function rather than a state function?
@iitjamphysicsexam
Why is heat (Q) classified as a path function rather than a state function?
@iitjamphysicsexam
Anonymous Quiz
25%
βIt depends only on the initial and final states of the system
55%
Its value depends on the specific path taken between two states
9%
βIt cannot be converted into mechanical work
11%
βIt is an intensive property of the system
B.Sc. Physics Exam pinned Β«πQuizπ¨
Why is heat (Q) classified as a path function rather than a state function?
@iitjamphysicsexamΒ»
Why is heat (Q) classified as a path function rather than a state function?
@iitjamphysicsexamΒ»
πQuizπ¨
Which thermodynamic state function combines enthalpy (H) and entropy (S) to determine the spontaneity of a process at constant temperature and pressure?
@iitjamphysicsexam πJoin
Which thermodynamic state function combines enthalpy (H) and entropy (S) to determine the spontaneity of a process at constant temperature and pressure?
@iitjamphysicsexam πJoin
Anonymous Quiz
25%
Helmholtz Free Energy (A)
52%
βGibbs Free Energy (G)
16%
βInternal Energy (U)
7%
βWork Function (W)
B.Sc. Physics Exam pinned Β«πQuizπ¨
Which thermodynamic state function combines enthalpy (H) and entropy (S) to determine the spontaneity of a process at constant temperature and pressure?
@iitjamphysicsexam πJoinΒ»
Which thermodynamic state function combines enthalpy (H) and entropy (S) to determine the spontaneity of a process at constant temperature and pressure?
@iitjamphysicsexam πJoinΒ»
πQuizπ¨
Why does the isothermal compressibility of a substance always remain a positive quantity for stable thermodynamic systems?
@iitjamphysicsexam πJoin
Why does the isothermal compressibility of a substance always remain a positive quantity for stable thermodynamic systems?
@iitjamphysicsexam πJoin
Anonymous Quiz
26%
Pressure decreases as volume decreases
52%
Volume strictly decreases when uniform pressure is applied
4%
Temperature rises during expansion
17%
Heat capacity can never be zero
B.Sc. Physics Exam pinned Β«πQuizπ¨
Why does the isothermal compressibility of a substance always remain a positive quantity for stable thermodynamic systems?
@iitjamphysicsexam πJoinΒ»
Why does the isothermal compressibility of a substance always remain a positive quantity for stable thermodynamic systems?
@iitjamphysicsexam πJoinΒ»
πQuizπ¨
What distinguishes a first-order phase transition (like boiling water) from a second-order phase transition (like superconductivity)?
@iitjamphysicsexam πJoin
What distinguishes a first-order phase transition (like boiling water) from a second-order phase transition (like superconductivity)?
@iitjamphysicsexam πJoin
Anonymous Quiz
12%
Absence of entropy change
28%
Latent heat is absorbed or released
30%
Volume remains strictly unchanged during the transformation
30%
Temperature changes continuously throughout the process
B.Sc. Physics Exam pinned Β«πQuizπ¨
What distinguishes a first-order phase transition (like boiling water) from a second-order phase transition (like superconductivity)?
@iitjamphysicsexam πJoinΒ»
What distinguishes a first-order phase transition (like boiling water) from a second-order phase transition (like superconductivity)?
@iitjamphysicsexam πJoinΒ»
πQuizπ¨
How does the slope of an adiabatic curve compare to an isothermal curve at their point of intersection on a P-V diagram?
@iitjamphysicsexam πJoin
How does the slope of an adiabatic curve compare to an isothermal curve at their point of intersection on a P-V diagram?
@iitjamphysicsexam πJoin
Anonymous Quiz
47%
The adiabatic curve is steeper
19%
The isothermal curve is steeper
14%
Both slopes are identical
20%
The adiabatic curve has a positive slope
πQuizπ¨
According to the principles of statistical thermodynamics, what does entropy fundamental measure at a microscopic level?
@iitjamphysicsexam πJoin
According to the principles of statistical thermodynamics, what does entropy fundamental measure at a microscopic level?
@iitjamphysicsexam πJoin
Anonymous Quiz
9%
Total kinetic energy of molecules
70%
Number of accessible microstates (Omega) corresponding to a macrostate
13%
Average speed of molecular collisions
9%
Rate of heat flow per unit area
B.Sc. Physics Exam pinned Β«πQuizπ¨
According to the principles of statistical thermodynamics, what does entropy fundamental measure at a microscopic level?
@iitjamphysicsexam πJoinΒ»
According to the principles of statistical thermodynamics, what does entropy fundamental measure at a microscopic level?
@iitjamphysicsexam πJoinΒ»
πQuizπ¨
At absolute zero temperature (0 K), an intrinsic semiconductor behaves as a ?
@iitjamphysicsexam πJoin
At absolute zero temperature (0 K), an intrinsic semiconductor behaves as a ?
@iitjamphysicsexam πJoin
Anonymous Quiz
7%
Perfect conductor
43%
Perfect insulator
15%
Semiconductor with maximum
35%
Superconductor
B.Sc. Physics Exam pinned Β«πQuizπ¨
At absolute zero temperature (0 K), an intrinsic semiconductor behaves as a ?
@iitjamphysicsexam πJoinΒ»
At absolute zero temperature (0 K), an intrinsic semiconductor behaves as a ?
@iitjamphysicsexam πJoinΒ»