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Statement -1: The magnitude of the work ...

Statement -1: The magnitude of the work involved in an isothermal expansion is greater than that involved in an adiabatic expansion.
Statement -2: P-v curve (P on y -axis and V on X-axis) decrease more rapidly for reversible adiabatic expansion compared to reversible isothermal expansion starting from same initial state.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

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The correct Answer is:
A

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Staetement -1: The magniyude of the work involed in an isothermal expansion is greater than that involved in an adiabatic expansion. Statement -2: P-v cure (pon y -axas and V on X-axas) decrease more repidly for reversible asiabatic expansion compared to reversible isothermal expansion starting from same initial state.

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The magnitudes of enthalpy changes for irreversible adiabatic expansion of a gas from 1L to 2L is ∆H_(1) and for reversible adiabatic expansion for the same expansion is ∆H_(2) . Then

State true or false. Work done by an ideal gas in adiabatic expansion is less than that in isothermal process (for same temperature range)

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