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Olympiad workbookNSEPMechanical Properties of Fluids

The excess pressure inside a soap bubble is equal to 2 mm of kerosene (density 0.8 ~g ~cm ⁻³ ). If the diameter of the bubble is 3.0 cm , the surface tension of soap solution is

Options

  1. A39.2 dyne cm ⁻¹
  2. B45.0 dyne cm ⁻¹
  3. C51.1 dyne cm ⁻¹
  4. D58.8 dyne cm ⁻¹

Correct answer

D. 58.8 dyne cm ⁻¹

Step-by-step solution

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