JEE PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1

During adiabatic expansion of 10 moles of a gas, the internal energy decreases by 50 J. Work done during the process is

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Correct option: A

#ERROR!

Option A (+50 J) is correct because in an adiabatic process, the work done is equal to the negative change in internal energy, so

dW = -dU

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\left( {\gamma = \frac{{{C_p}}}{{{C_v}}}} \right)