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AP EAMCET Engineering 2015 Code A Paper

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Question : 97

Total: 160

A gas does 4.5 J of external work during adiabatic expansion. If its temperature falls by 2K, then its internal energy will be

increased by 4.5 J
decreased by 4.5 J
decreased by 2.25 J
increased by 9.0 J

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