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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
    Why is it easier to swim in sea water than in river water?

    Answer:

                    The sea water has many salts dissolved in it. So the density of sea water is greater than that of river water. Consequently, the sea water exerts greater up thrust on the swimmer than the river water. Hence it is easier to swim in sea water than in river water.


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