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An ideal mono atomic gas is taken through the cyclic process shown in fig. Linear expansion from A to B following by adiabatic compression back to original state A. Efficiency of cyclic process is zeroB. During process A to B heat is released onlyC. During process A to B heat is absorbed onlyD. During linear process heat enters and leaves the process |
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Answer» Correct Answer - D Since `P_(1)V_(1) gt P_(2)V_(V) rArr T_(A) gt T_(B)` work done is `+ve` and efficiency is positive quantity `eta = ("work done")/("Heat given") = 1 - (Q_("released"))/(Q_("absorbed"))` Therefore there must be some heat absorbed in the process. During adiabatic process `DeltaQ = 0`, therefore during linear process heat will entre and leaves system at different times. |
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