Assertion: For an ideal gas in a cyclic process and in an isothermal process change in internal energy is zero.
Reason: In both processes there is no change in temperature.
A. (a) If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. (b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C. (c) If Assertion is true, but the Reason is false.
D. (d) If Assertion is false but the Reason is true.
