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Question
Assertion :Stirring the liquid in thermal contact with the reservoir will convert the work done into heat, is an irreversible process. Reason: If it is the reversible process it will violate the second law of thermodynamics.
Assertion :Stirring the liquid in thermal contact with the reservoir will convert the work done into heat, is an irreversible process. Reason: If it is the reversible process it will violate the second law of thermodynamics.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Assertion.Stirring the liquid in thermal contact with the reservoir will convert the work done into heat, is an irreversible process.Since heat loss can not be brought back hence process s irreversible.Reason.An irreversible process increases the entropy of the universe. Because entropy is a state function, the change in entropy of the system is the same, whether the process is reversible or irreversible. The second law of thermodynamics can be used to determine whether a process is reversible or not.Hence If it is the reversible process it will violate the second law of thermodynamics.
Assertion.
Stirring the liquid in thermal contact with the reservoir will convert the work done into heat, is an irreversible process.Since heat loss can not be brought back hence process s irreversible.Reason.
An irreversible process increases the entropy of the universe. Because entropy is a state function, the change in entropy of the system is the same, whether the process is reversible or irreversible. The second law of thermodynamics can be used to determine whether a process is reversible or not.Hence If it is the reversible process it will violate the second law of thermodynamics.
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