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प्रश्न
Write the sign convention of work done during expansion of gas.
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उत्तर
Work done W = −PexΔV
W = −Pex(V2 − V1)
Where V2 is the final volume of the gas, when the gas expands, the system works in its surroundings. Since V2 > V1, ‘W’ is negative.
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[Note: The question has been modified to get the correct answer.]
