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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. In the light of the above statements, choose the correct answer from the options given below.

Asked in JEE Main 8th April 1st Shift 2023 · First Law and Sign Convention

• (1) Both Statement I and Statement II are false
• (2) Statement I is true but Statement II is false
• (3) Both Statement I and Statement II are true
• (4) Statement I is false but Statement II is true

Step-by-step solution

Why the other options are wrong

• (1) Statement II is true
• (2) comes from the two truth values are the wrong way round
• (3) Statement I fails for any isothermal or phase-change process

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