Physics · Properties of Matter
Two soap bubbles of radii R1 and R2 (where R1 > R2) coalesce to form a double bubble. What is the radius of curvature of the common internal boundary where the bubbles adhere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(R1 + R2) R1R2
- 2R1R2R1 - R2✓
- 3R1R22R12 + R22
- 4R1 - R2
Correct answer
R1R2R1 - R2
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