NEET Physics Laws of Thermodynamics Assertion Reason Question
Assertion (A): In an isolated system, the total energy remains constant. | Reason (R): An isolated system allows exchange of energy but not matter with its surroundings.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
A is true because in an isolated system there is no exchange of energy or matter, hence total energy remains constant. R is false because an isolated system does not allow exchange of energy or matter with its surroundings.
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