Question:medium
Eight mercury drops, each of radius $r$, coalesce to form a bigger drop. The surface energy released in this process is _____ ($S$ is the surface tension of mercury).
Eight mercury drops, each of radius $r$, coalesce to form a bigger drop. The surface energy released in this process is _____ ($S$ is the surface tension of mercury).
Updated On: Apr 12, 2026
- $8\pi r^2 S$
- $16\pi r^2 S$
- $64\pi r^2 S$
- $4\pi r^2 S$
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The Correct Option is B
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