Given below are two statements
Statement I: If heat is added to a system, its temperature must increase.
Statement II: If positive work is done by a system in a thermodynamic process, its volume must increase.

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Statement I is false but Statement II is true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Both Statement I and Statement II are true

answer is B.

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Detailed Solution

If $ΔQ (+ ve)$ then during Isothermal process $(ΔU = 0), ΔQ = ΔW$ . Here temperature will not change $ΔW = PdV = P (V_{f} - V_{i})$

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