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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
    Write down formula for excess pressure inside (i) a liquid drop (ii) a soap bubble.

    Answer:

                    (i) For a liquid drop: \[p=\frac{2\sigma }{R}\] (ii) For a soap bubble: \[p=\frac{4\sigma }{R}\] where \[\sigma \] is surface tension.


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