# A monatomic gas undergoes a cycle consisting of two isothermal and two isobars.If the minimum and maximum temperature of the gas during the cycle are T 1 = 400 K and T 2 =800K, respectively, and the ratio of maximum to minimum volume is 4, calculate the efficiency of the cycle.

$weknowthatefficiancyofanycyclicprocessdepandsonlyontempraturedifference\phantom{\rule{0ex}{0ex}}accordingtocarnot\phantom{\rule{0ex}{0ex}}so\eta =(1-\frac{400}{800})\times 100=50\%$

Regard

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