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9. An ideal gas expands isothermally from a

(a)     P3 > P1 , W > 0            (b)  P3 < P1 , W < 0

(c)       P3 > P1 , W < 0              (d)  P3 = P1 , W = 0

Ans. c

(80)

5/5 - (2 votes)

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