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MHT CET202014 Oct 2020Morning ShiftPhysicsMechanical Properties of FluidsActual

The excess pressure inside the first soap bubble of radius ' R ₁ ' is two times, that inside the second soap bubble of radius ' R ₂ '. The ratio of volumes of the first bubble to that of second bubble is

Options

  1. A1: 4
  2. B1: 1
  3. C1: 2
  4. D1: 8

Correct answer

D. 1: 8

Step-by-step solution

Excess pressure P= 4 T R P₁ P₂ = R₂ R₁ P₁ P₂ =2 V₁ V₂ = 4 3 R₁² 4 3 R₂³ = R₁³ R₂³ = ( 1 2 )³= 1 8

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