AFMC AFMC Solved Paper-2000

  • question_answer
    Internal energy does not include :

    A) nuclear energy

    B) vibrational energy

    C) rotational energy

    D) energy due to gravitational pull

    Correct Answer: D

    Solution :

    A fixed quantity of any substance is associated with a definite amount of energy which depends upon chemical   nature of the substance and its state of existence. Thus energy is called intrinsic or internal energy (u). It includes, translational energy, rotational   energy,   vibrational   energy, electronic energy, nuclear energy, and interaction energy of the molecule. It does not include energy due to gravitational pull.


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