Difficult
Pressure inside a soap bubble is greater than the pressure outside by an amount: (given: $R =$ Radius of bubble,$S =$ Surface tension of bubble)
- A$\frac{4 S}{R}$
- B$\frac{4 R}{S}$
- C$\frac{S}{R}$
- D$\frac{2 S}{R}$
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