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
(23)
5/5 - (2 votes)
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