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JEE Main & Advanced Physics Thermometry, Calorimetry & Thermal Expansion Question Bank Thermal Expansion

  • question_answer
    A solid ball of metal has a concentric spherical cavity within it. If the ball is heated, the volume of the cavity will [AFMC 1997; Orissa PMT 2004]

    A)            Increase                                 

    B)            Decrease

    C)            Remain unaffected           

    D)            None of these

    Correct Answer: A

    Solution :

               When the ball is heated, expansion of ball and cavity both occurs, hence volume of cavity increases.


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