Question:medium
If W is the energy required to form a soap bubble of radius R, then energy required to increase radius from R to 3R is:
If W is the energy required to form a soap bubble of radius R, then energy required to increase radius from R to 3R is:
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Surface energy depends on surface area $\propto r^2$.
Updated On: Jun 17, 2026
- 9W
- 3W
- 8W
- 4W
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The Correct Option is C
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