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  5. Mechanical Properties of Fluids / तरलों के यांत्रिक गुण

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

  • question_answer
    How does soap help us to remove dirt better in washing clothes?              

    Answer:

                    With the addition of soap, the surface tension of water decreases. The decrease in surface tension results in greater wetting and hence washing power.


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