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HomePhysics55. During an adiabatic expansion of 2 moles of a gas, the change in internal energy was found –50J. The work done during the process is

55. During an adiabatic expansion of 2 moles of a gas, the change in internal energy was found –50J. The work done during the process is

(a)  Zero                                    (b)  100J

(c)   – 50J                                  (d)  50J

Answer-d

(11)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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