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11.Thermodynamics
normal
An ideal monoatomic gas is taken round the cycle $ABCDA$ as shown in following $P-V$ diagram. The work done during the cycle is

A
$PV$
B
$2 PV$
C
$4 PV$
D
Zero
Solution
(c) Work done = Area of curve enclosed
$ = 2V \times 2P = 4PV$
Standard 11
Physics