Physics · Fluid Mechanics - Surface Tension
What is the excess pressure inside a soap bubble (Δp) of radius 'R' having two interfaces with air? (Consider 'γ' as the coefficient of surface tension.)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Δp = γ2R
- 2Δp = 2γR
- 3Δp = γR
- 4Δp = 4γR✓
Correct answer
Δp = 4γR
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