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

  • question_answer
    Why an air bubble in water rises from bottom to top and grows in size?

    Answer:

                    The fluids move from higher pressure to lower pressure and a fluid pressure increases with depth. Hence pressure at the top is less than that at the bottom and so the air bubble will rise from bottom to top. When bubble moves from bottom to top, pressure decreases and in accordance with Boyle's law volume V will increase i.e., bubble will grow in size.


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