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

  • question_answer
    The ratio of the coefficient of volume expansion of a glass container to that of a viscous liquid kept inside the container is 1 : 4. What fraction of the inner volume of the container should the liquid occupy so that the volume of the remaining vacant space will be same.at all temperatures?

    A) 2 : 5

    B) 1 : 4

    C) 1 : 64

    D) 1 : 8

    Correct Answer: B

    Solution :

    [b] When there is no change in liquid level in vessel then \[\gamma {{'}_{real}}=\gamma {{'}_{vessel}}\]  Change in volume in liquid relative to vessel \[\Delta {{V}_{app}}=V\gamma {{'}_{app}}\Alpha \theta =V\left( \gamma {{'}_{real}}-\gamma {{'}_{vessel}} \right)\]


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