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11th Class Physics Mechanical Properties of Fluids / तरलों के यांत्रिक गुण Question Bank Mechanical Properties of Fluids Conceptual Problems

  • question_answer
    Explain why some oils spread on water, when others float as drops.  

    Answer:

                    If the surface tension of oil is less than that of water, then it spreads on water. If the surface tension of oil is more than that of water, then it floats as drops on water.


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