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प्रश्न
A hot cup of coffee is kept on the table. After some time it attains a thermal equilibrium with the surroundings. By considering the air molecules in the room as a thermodynamic system, which of the following is true
पर्याय
ΔU > 0, Q = 0
ΔU > 0, W < 0
ΔU > 0, Q > 0
ΔU = 0, Q > 0
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उत्तर
ΔU > 0, Q > 0
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