Assertion :In an adiabatic process change in internal energy of a gas in equal to work done on or by the gas in the process.
Reason: Temperature of gas remains constant in an adiabatic process.

A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C Assertion is correct but Reason is incorrect
D Both Assertion and Reason are incorrect