Assertion : The specific heat of a gas in an adiabatic process is zero and in an isothermal process is infinite. Reason : Specific heat of gas is directly proportional to change of heat in system and inversely proportional to change in temperature.

• A. If both assertion and reason are true and reason is the correct explanation of assertion.
• B. If both assertion and reason are true but reason is not the correct explanation of assertion.
• C. If assertion is true but reason is false.
• D. If both assertion and reason are false.