1. First law of thermnodynamics is given by
(a) dQ = dU + PdV (b) dQ = dU x Pdv
(c) dQ = (dU + dv)P (d) dQ = PdU + dV
Ans. a
(11)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)