Banking Physics Thermal Properties of Matter / द्रव्य के तापीय गुण Question Bank Properties of Matter

  • question_answer
    A drop of oil is placed on the surface of water. Which of the following statements is correct?

    A)  It will remain on it as a sphere

    B)  It will spread as a thin layer  

    C)  It will partly be a spherical droplet and partly a thin film

    D)  It will float as a distorted drop on the water surface

    Correct Answer: B

    Solution :

     The surface tension of oil is less than that of water, so the oil spreads as a thin layer.


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