NCERT Example 9.10 - Mechanical Properties of Fluids
Question: A capillary tube (diameter 2.00 mm) dipped 8.00 cm below water surface. Find pressure to blow a hemispherical bubble at its end. S = 7.30 x 10^-2 N m^-1.
Answer: Pressure inside = **about 1.02 x 10^5 Pa**; excess pressure = **146 Pa**.
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