1.

One mole of an ideal gas is carried through the reversible cyclic process as shown in figure. The max. temperature attained by the gas duing the cycle A. 7/6RB. 12/49 RC. 49/12 RD. 12/7 R

Answer» Correct Answer - C
Max temp attained by gas in between B to C. According to equation of straight line
`(P-4)/(1-4) = (V-1)/(2-1) rArr P_4 = -3V + 3`
` rArr P = 7-3V` For 1 mole gas
`(RT)/(V) = 7-3V, RT = 7V - 3V^(2)`,
`R(dT)/(dV) = 7-6V = 0, V = (7)/(6)`
substituting in eq (1) `RT = (7-3 xx (7)/(6)) xx (7)/(6) rarr T = (49)/(12R)`


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