Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2022

PhysicsMediumsingle choice

The work done in blowing a soap bubble of radius $R$ is $W_{1}$ and that of radius $2 R$ is $W_{2}$ . The ratio of $W_{1}$ to $W_{2}$ is

Answer:

Solution:

$W_{1} = 2 [4 π r^{2} T] W_{2} = 2 [4 π (2 r)^{2} T] \Rightarrow \frac{W _{1}}{W _{2}} = \frac{1}{4}$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2022

Loading discussions...