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JEE Main & Advanced Physics Thermodynamical Processes JEE PYQ-Thermodynamical Processes

  • question_answer
    “Heat cannot be itself flow from a body at lower temperature to a body at higher temperature” is a statement or consequence of                                                                                        [AIEEE 2003]

    A)  second law of thermodynamics

    B)  conservation of momentum

    C)                                          conservation of mass

    D)  first law of thermodynamics

    Correct Answer: A

    Solution :

    [a] Heat carnot flow itself from a lower temperature to a body of higher temperature (for cyclic process this is Kelvin-Planck statement). This corresponds to second law of thermodynamics.


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