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MHT CET 2023 Physics question

PhysicsMechanical Properties of FluidsMHT CET 2023

The radii of two soap bubbles are & . In isothermal condition they combine with each other to form a single bubble. The radius of resultant bubble is

Answer: (C)

Solution

For a bubble of radius in air at pressure the inside pressure is . For an isothermal combination, is conserved: , i.e. $+)Missing argument for \dfrac\dfrac43π + +)Missing argument for \dfrac\dfrac43π =

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Question ID VK-094693