Question

A spherical soap bubble of radius $1cm$ is formed inside another of radius $3cm$. The radius of a single soap bubble which maintains the same pressure differences as inside the larger and outside the smaller soap bubble is ________ $cm$.

• A. $4/3$
• B. $3/4$
• C. $1/2$
• D. $2$

Answer 1

The correct option is B $3/4$