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Q.

An ideal monoatomic gas is taken round the cycle ABCDA as shown in the P-V diagram.The efficiency of the cycle is

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a

zero

b

$\frac{2}{15}$

c

$1$

d

$\frac{2}{13}$

answer is B.

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Detailed Solution

$η = \frac{W_{net}}{Q_{absorbed}} = \frac{P V}{n C_{v} d T_{A B} + n C_{p} d T_{B C}}$

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