Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Reversible systems are difficult to find in real world. Reason: Most processes are dissipative in nature.A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true but reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
Correct Answer: A
Solution :
Heat and work can cause temperature rise or change of state of a body. This heat given to body is used in increasing the temperature of body and rest against frictional forces. It is impossible by any means to recover the energy lost in doing work against dissipative forces. Usually all processes are dissipative in nature.
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