Question

Assertion : It is not possible for a system, unaided by an external agency to transfer heat from a body at a lower temperature to another at a higher temperature.

Reason : It is not possible to violate the second law of thermodynamics.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

Correct option (a) Both A and R are true and R is the correct explanation of A

Explanation :

The statement given in the assertion is itself a form of the second law of thermodynamics which cannot be violated.