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PhysicsFluidSurface TensionEasy2 minPYQ_2025

PhysicsEasynumerical

Two soap bubbles of radius 2 cm and 4 cm , respectively, are in contact with each other. The radius of curvature of the common surface, in cm , is ______ .

Answer:

4.00

Solution:

$R = \frac{R _{2} R _{1}}{R _{2} - R _{1}} = \frac{4 \times 2}{2} = 4 cm$

Stream:JEESubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2025

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