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

  • question_answer
    Oil is sprinkled on sea waves to calm them. Why?

    Answer:

                    When oil is sprinkled, the breeze spreads the oil on the sea-water in its own direction. The surface tension of sea-water (without oil) is greater than oily water. Hence the water without oil pulls the oily water against the direction of breeze, and the sea waves become calm.


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