Example 9.2: The surface tension of water in contact with air at ambient temperature is 0.10 N/m. The pressure inside the water droplet is 0.03 N/cm2 greater than the outside pressure. Calculate the diameter of water droplet.
Solution:
Example 9.3: Find the surface tension in a soap bubble of 50 mm diameter when the inside pressure is 4 N/m2 above atmospheric pressure.
Solution:
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