JEE Main & Advanced Physics Thermodynamical Processes Question Bank Assertion and Reason

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

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: A

    Solution :

               \[c=\frac{Q}{m.\Delta \theta };\] a gas may be heated by putting pressure, so it can have values for 0 to ¥. \[{{C}_{P}}\] and \[{{C}_{V}}\] are it?s two principle specific heats, out of infinite possible values. In adiabatic process C = 0 and in isothermal process \[C=\infty \].


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