The work done in blowing a soap bubble of radius $R$ is $W_1$ and that of radius $2 R$ is $W_2$. The ratio of $W_1$ to $W_2$ is

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Aicharya · Accepted Answer

$\begin{aligned} & W_1=2\left[4 \pi r^2 Tight] \ & W_2=2\left[4 \pi(2 r)^2 Tight] \ & \Rightarrow \frac{W_1}{W_2}=\frac{1}{4}\end{aligned}$

The work done in blowing a soap bubble of radius $R$ is $W_1$ and that of radius $2 R$ is $W_2$. The ratio…