Assertion :- In an isolated system the entropy increases due to spontanous process.
Reason :- The processes in an isolated system are adiabatic.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.