JEE PHYSICS MCQ: THERMODYNAMICS

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If the heat 110 J is added to a gaseous system and it acquires internal energy of 40 J, then the amount of internal work done is

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Correct option: B

70 J

Option B (70 J) is correct because it's calculated by subtracting the change in internal energy from the heat added, according to the first law of thermodynamics.

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