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JEE Main & Advanced Physics Thermometry, Calorimetry & Thermal Expansion Question Bank Self Evaluation Test - Thermal Properties of Matter

  • question_answer
    Consider two identical iron spheres, one which lie on a thermally insulating plate, while the other hangs from an insulating thread. Equal amount of heat is supplied to the two spheres  

    A) temperature of A will be greater than B

    B) temperature of B will be greater than A

    C) their temperature will be equal

    D) can't be predicted

    Correct Answer: B

    Solution :

    [b] Temperature of B will be higher because, due to expansion centre of mass B will come down same heat is supplied but in B, Potential energy is decreased therefore internal energy gain will be more.


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