There are two liquid drops of different radii. The excess pressure inside over the outside is
There are two liquid drops of different radii. The excess pressure inside over the outside is
- A
More in the big drop
- B
More in the small drop
- C
Equal in both drops
- D
There is no excess pressure inside the drops
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A long cylindrical glass vessel has a small hole of radius $'r'$ at its bottom. The depth to which the vessel can be lowered vertically in the deep water bath (surface tension $T$) without any water entering inside is
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The excess pressure due to surface tension in a spherical liquid drop of radius r is directly proportional to
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The surface tension of soap solution is $25 \times {10^{ - 3}}\,N{m^{ - 1}}$. The excess pressure inside a soap bubble of diameter $1 \,cm$ is ....... $Pa$
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- [AIIMS 1987]
A soap bubble in a form of circular tube having radius of curvature $R$ and radius of curvature perpendicular to it is $5R$ . Find the excess pressure in the bubble :
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Fill in the Blank :
$(i)$ Bubble in water have .......... free surface.
$(ii)$ Bubble in air have .......... free surface.
$(iii)$ Rain drop have .......... free surface.
Fill in the Blank :
$(i)$ Bubble in water have .......... free surface.
$(ii)$ Bubble in air have .......... free surface.
$(iii)$ Rain drop have .......... free surface.