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MHT CET20249 May 2024Morning ShiftPhysicsMechanical Properties of FluidsActual

When an air bubble rises from the bottom of lake to the surface, its radius is doubled. The atmospheric pressure is equal to that of a column of water of height ' H '. The depth of the lake is

Options

  1. AH
  2. B2 H
  3. C7 H
  4. D8 H

Correct answer

C. 7 H

Step-by-step solution

aligned & P₁ V₁=P₂ V₂ & (P₀+h g ) 4 3 r^3=P₀ 4 3 (2 r)^3 aligned Where, h = depth of lake h ~g =7 P ₀ ~h =7 H g g =7 H

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