Question

A soap bubble, having radius of $1 mm$, is blown from a detergent solution having a surface tension of 2.5 \times 10^{-2} $$\frac Nm. The pressure inside the bubble equals at a point $Z_0$ below the free surface of water in a container. Taking $g=10 m/s^2,$ density of water-$103 kg/m^3$, the value of $Z_0$ is:

• A. $100 cm$
• B. $10 cm$
• C. $1 cm$
• D. $0.5 cm$

Answer 1

Answer: (C)

$1 cm$

Answer 2

The correct option is (C) :$1 cm$