Question

A soap bubble, having radius of 1 mm, is blown

from a detergent solution having a surface

tension of 2.5 × 10–2 N/m. The pressure inside

the bubble equals at a point Z0 below the

free surface of water in a container. Taking

g = 10 m/s2, density of water = 103 kg/m3, the

value of Z0 is ?​

Answer 1

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