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प्रश्न
Which from following process involves zero work done?
पर्याय
Isobaric expansion of gas.
Adiabatic compression of gas.
Isothermal expansion of gas.
Free expansion of gas.
MCQ
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उत्तर
Free expansion of gas.
Explanation:
A free expansion means expansion against zero opposing force
Pext = 0 and hence, W = 0.
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Nature of Heat and Work
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