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JEE PHYSICS MCQ: THERMODYNAMICS
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Analyzing
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Assertion: A quasi-static isothermal expansion of an ideal gas in a cylinder fitted with a frictionless movable piston is an irreversible process.
Reason: A process is irreversible only if system remains in equilibrium with the surroundings at every stage.
Reason: A process is irreversible only if system remains in equilibrium with the surroundings at every stage.
View answer and explanation
Correct option: D
If both assertion and reason are false
Option D is correct because a quasi-static isothermal expansion is a reversible process, and a process is irreversible if the system is NOT in equilibrium at every stage.
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