NEET Questions Solved

NEET - 2013

A gas is taken through the cycle A→B→C→A, as shown. What is the net work done by the gas?

(a)2000J

(b)1000J

(c)Zero

(d)-2000J

(b) Net work done=Area enclosed in pV curve,i.e., ΔABC
=1/2 x 5 x 10-3 x 4 x 105 J

=103 J

=1000

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