An ideal monoatomic gas is taken round the cy | vedclass

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(C) The work done in a cyclic process is equal to the area enclosed by the cycle in the $PV$ diagram.From the given figure, the cycle is a rectangle w

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$PV$

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(C) The work done in a cyclic process is equal to the area enclosed by the cycle in the $PV$ diagram.From the given figure, the cycle is a rectangle with vertices at $(P, 2V), (2P, 2V), (2P, V), 	ext{ and } (P, V)$.Length of the rectangle along the pressure axis $= (2P - P) = P$.Length of the rectangle along the volume axis $= (2V - V) = V$.Work done $= 	ext{Area of rectangle} = 	ext{Length} 	imes 	ext{Width} = P 	imes V = PV$.Since the cycle is traversed in a clockwise direction, the work done is positive.

An ideal monoatomic gas is taken round the cycle $ABCDA$ shown in the $PV$ diagram. The work done during the cycle is

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