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Standard XII

Physics

Thermodynamic Processes

The Bat Life:...

Question

The Bat Life: Such a process where the gas is taken from one state to another through infinitely small changes is called

equilibrium process

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pseudo-equilibrium

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adiabatic process

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quasi-static process

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Solution

The correct option is D
quasi-static process

In thermodynamics, a quasi-static process is a thermodynamic process that happens slowly enough for the system to remain in internal equilibrium. Only in such processes can each moment be represented on the P-V diagram.

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Similar questions

Q. A process where the gas is taken from one state to another through infinitely small changes is called

Q. A gas is enclosed in a cylinder with a movable friction less piston. Its initial thermodynamic state at pressure

P_{i} = 10^{5} P a

and volume

V_{i} = 10^{- 3} m^{3}

changes to a final state as

P_{j} = (1 / 32) {\times 10}^{5} p a

and

V_{j} = 8 \times 10^{- 3} m^{3}

in an adiabatic quasi-static process, such that

P^{3} V^{5} = c o n s t a n t

. Consider another thermodynamic process that brings the system from the same initial state to the same final state in two steps : an isobaric expansion at

P_{i}

followed by an isochoric(isovolumetric) process at volume

V_{j}

. The amount of heat supplied to the system in the two-step process is approximately.

Q. A gas is enclosed in a cylinder with a movable frictionless piston. Its initial thermodynamic state at pressure

P_{i} = 10^{5}

Pa and volume

V_{i} = 10^{- 3} m^{3}

changes to a final state at

P_{f} = (1 / 32) \times 10^{5}

Pa and

V_{f} = 8 \times 10^{- 3} m^{3}

in an adiabatic quasi-static process, such that

P^{3} V^{5} =

constant. Consider another thermodynamic process that brings the system from the same initial state to the same final state in two steps: an isobaric expansion at

P_{i}

followed by an isochoric (isovolumetric) process at volume

V_{f}

. The amount of heat supplied to the system in the two-step process is approximately.

Q. A gas is enclosed in a cylinder with a movable frictionless piston. Its initial thermodynamic state at pressure

P_{i} = 10^{5} P a

and volume

V_{i} = 10^{- 3} P a

changes to a final state at

P_{f} = (\frac{1}{32}) \times 10^{5} P a

and

V_{f} = 8 \times 10^{- 3} m^{3}

in an adiabatic quasi-static process, such that

P^{3} V^{5} =

constant. Consider another thermodynamic process that brings the system from the same initial state to the same final state in two steps : an isobaric expansion at

P_{i}

followed by an isochoric (isovolumetric) process at volume

V_{f}

. The amount of heat supplied to the system in the two-step process is approximately

Q. In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B an amount of work equal to

22.3 J

is done on the system. If the gas is taken from state A to B via a process in which the net heat absorbed by the system is

9.35 c a l

then net work done by the system in the later case is:
(Take

1 c a l = 4.2 J)

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The Bat Life: Such a process where the gas is taken from one state to another through infinitely small changes is called

The correct option is D quasi-static process In thermodynamics, a quasi-static process is a thermodynamic process that happens slowly enough for the system to remain in internal equilibrium. Only in such processes can each moment be represented on the P-V diagram.

The correct option is D
quasi-static process

In thermodynamics, a quasi-static process is a thermodynamic process that happens slowly enough for the system to remain in internal equilibrium. Only in such processes can each moment be represented on the P-V diagram.