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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 undergarments are usually made of cotton?

    Answer:

                    Cotton threads have large number of capillaries between them. These capillaries help to absorb sweat from the surface of the body due to capillarity action.


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