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प्रश्न
When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking process
विकल्प
Q > 0, W > 0
Q < 0, W > 0
Q > 0, W < 0
Q < 0, W < 0
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उत्तर
Q > 0, W > 0
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