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Physics-

General

Easy

Question

One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. The efficiency of cycle is

$(\frac{9 (n^{3} + 4}{9 (n) + 12})$
$(\frac{9 n 3 - 4}{9 \ln 3 + 12})$
$(\frac{9 (n 3 - 4}{9 (n^{3} + 16})$
$(\frac{9 l n 3 + 12}{9 n 3 + 16})$

The correct answer is: $open parentheses fraction numerator 9 l n invisible function application 3 plus 12 over denominator 9 n invisible function application 3 plus 16 end fraction close parentheses$

$eta equals fraction numerator W over denominator capital delta Q subscript 12 end subscript end fraction equals open parentheses fraction numerator 9 n invisible function application 3 minus 4 over denominator 9 ln invisible function application 3 plus 16 end fraction close parentheses$

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